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Math Problems
Grade 7
Simple interest
Shivani has
$
800
\$800
$800
in a savings account. The interest rate is
10
%
10\%
10%
per year and is not compounded. How much interest will she earn in
1
1
1
year?
\newline
Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
\newline
$
\$
$
_
_
_
_
_
\_\_\_\_\_
_____
Get tutor help
Celine has
$
500
\$500
$500
in a savings account that earns
10
%
10\%
10%
interest per year. The interest is not compounded. How much interest will she earn in
1
1
1
year? Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
$
\$
$
_
_
_
_
_
\_\_\_\_\_
_____
Get tutor help
Percy has
$
800
\$800
$800
in a savings account. The interest rate is
10
%
10\%
10%
per year and is not compounded. How much interest will he earn in
1
1
1
year? Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
$
\$
$
_____
Get tutor help
Zach has
$
400
\$400
$400
in a savings account that earns
5
%
5\%
5%
interest per year. The interest is not compounded. How much interest will he earn in
1
1
1
year?
\newline
Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
\newline
$
\$
$
_
_
_
_
\_\_\_\_
____
Get tutor help
Ayana has
$
600
\$600
$600
in a savings account that earns
5
%
5\%
5%
annually. The interest is not compounded. How much will she have in total in
1
1
1
year?
\newline
Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
\newline
$
\$
$
_
_
_
_
\_\_\_\_
____
Get tutor help
Jack has
$
700
\$700
$700
in a savings account that earns
10
%
10\%
10%
interest per year. The interest is not compounded. How much interest will he earn in
1
1
1
year? Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
$
\$
$
_____
Get tutor help
Ayana has
$
400
\$400
$400
in a savings account that earns
10
%
10\%
10%
interest per year. The interest is not compounded. How much will she have in total in
1
1
1
year? Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
$
\$
$
_____
Get tutor help
Marie has
$
900
\$900
$900
in a savings account that earns
5
%
5\%
5%
annually. The interest is not compounded. How much will she have in total in
1
1
1
year?
\newline
Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
\newline
$
\$
$
_
_
_
_
\_\_\_\_
____
Get tutor help
Addison has
$
500
\$500
$500
in a savings account that earns
5
%
5\%
5%
interest per year. The interest is not compounded. How much interest will she earn in
1
1
1
year?
\newline
Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
\newline
$
\$
$
_
_
_
_
\_\_\_\_
____
Get tutor help
Marco has
$
600
\$600
$600
in a savings account that earns
10
%
10\%
10%
annually. The interest is not compounded. How much will he have in total in
1
1
1
year?
\newline
Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
\newline
$
\$
$
_
_
_
_
_
\_\_\_\_\_
_____
Get tutor help
Angie has
$
500
\$500
$500
in a savings account that earns
10
%
10\%
10%
interest per year. The interest is not compounded. How much interest will she earn in
1
1
1
year?
\newline
Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
\newline
$
\$
$
_
_
_
_
_
\_\_\_\_\_
_____
Get tutor help
Allie has
$
400
\$400
$400
in a savings account that earns
5
%
5\%
5%
interest per year. The interest is not compounded. How much interest will she earn in
1
1
1
year? Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
$
\$
$
_____
Get tutor help
Mason has
$
1
,
000
\$1,000
$1
,
000
in a savings account that earns
10
%
10\%
10%
annually. The interest is not compounded. How much interest will he earn in
1
1
1
year?
\newline
Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
\newline
$
\$
$
_
_
_
_
\_\_\_\_
____
Get tutor help
Omar has
$
200
\$200
$200
in a savings account that earns
10
%
10\%
10%
annually. The interest is not compounded. How much will he have in total in
1
1
1
year? Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
$
\$
$
_____
Get tutor help
Vivian has
$
300
\$300
$300
in a savings account. The interest rate is
5
%
5\%
5%
per year and is not compounded. How much will she have in total in
1
1
1
year?
\newline
Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
\newline
$
\$
$
_
_
_
_
\_\_\_\_
____
Get tutor help
Colleen has
$
400
\$400
$400
in a savings account that earns
10
%
10\%
10%
interest per year. The interest is not compounded. How much interest will she earn in
1
1
1
year?
\newline
Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
\newline
$
\$
$
_
_
_
_
\_\_\_\_
____
Get tutor help
Tori has
$
600
\$600
$600
in a savings account that earns
10
%
10\%
10%
annually. The interest is not compounded. How much interest will she earn in
1
1
1
year?
\newline
Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
\newline
$
\$
$
_
_
_
_
_
\_\_\_\_\_
_____
Get tutor help
Toby has
$
400
\$400
$400
in a savings account that earns
10
%
10\%
10%
interest per year. The interest is not compounded. How much interest will he earn in
1
1
1
year? Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
$
\$
$
_____
Get tutor help
Dale has
$
400
\$400
$400
in a savings account that earns
10
%
10\%
10%
interest per year. The interest is not compounded. How much will he have in total in
1
1
1
year?
\newline
Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
\newline
$
\$
$
_
_
_
_
_
\_\_\_\_\_
_____
Get tutor help
Leon has
$
900
\$900
$900
in a savings account that earns
10
%
10\%
10%
interest per year. The interest is not compounded. How much interest will he earn in
1
1
1
year?
\newline
Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
\newline
$
\$
$
_
_
_
_
\_\_\_\_
____
Get tutor help
Nick has
₹
80
,
000
\text{₹} 80,000
₹
80
,
000
in a savings account that earns
6
%
6\%
6%
interest per year. The interest is not compounded. How much interest will he earn in
1
1
1
year? Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
Get tutor help
Nick has
₹
80
,
000
\text{₹} 80,000
₹
80
,
000
in a savings account that earns
6
%
6\%
6%
interest per year. The interest is not compounded. How much interest will he earn in
1
1
1
year? Use the formula
i
=
p
r
t
i = prt
i
=
p
r
t
, where
i
i
i
is the interest earned,
p
p
p
is the principal (starting amount),
r
r
r
is the interest rate expressed as a decimal, and
t
t
t
is the time in years.
Get tutor help
