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P=23+10(h-1)
People start waiting in line for the release of the newest cell phone at
5a.m. The equation gives the number of people,
P, in line between the hours,
h, of 6 a.m. and 11 a.m., when the doors open. Assume that
6a.m. is when time
h=1. What does the 23 mean in the equation?
Choose 1 answer:
(A) There are 23 people in line at 6 a.m.
(B) When
h=10, a total of 23 people will be in line.
(C) Every hour between 5 a.m. and 11 a.m., 23 more people get in line.
(D) Every hour between 6 a.m. and 11 a.m., 23 more people get in line.

$P=23+10(h-1)$ $\newline$ People start waiting in line for the release of the newest cell phone at $5 \mathrm{a} . \mathrm{m}$ . The equation gives the number of people, $P$ , in line between the hours, $h$ , of $6$ a.m. and $11$ a.m., when the doors open. Assume that $6 \mathrm{a} . \mathrm{m}$ . is when time $h=1$ . What does the $23$ mean in the equation? $\newline$ Choose $1$ answer: $\newline$ (A) There are $23$ people in line at $6$ a.m. $\newline$ (B) When $h=10$ , a total of $23$ people will be in line. $\newline$ (C) Every hour between $5$ a.m. and $11$ a.m., $23$ more people get in line. $\newline$ (D) Every hour between $6$ a.m. and $11$ a.m., $23$ more people get in line.

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Evaluate a linear function: word problems

Full solution

Q.

P=23+10(h-1)

\newline

People start waiting in line for the release of the newest cell phone at

5 \mathrm{a} . \mathrm{m}

. The equation gives the number of people,

P

, in line between the hours,

h

, of

6

a.m. and

11

a.m., when the doors open. Assume that

6 \mathrm{a} . \mathrm{m}

. is when time

h=1

. What does the

23

mean in the equation?

\newline

Choose

1

answer:

\newline

(A) There are

23

people in line at

6

a.m.

\newline

(B) When

h=10

, a total of

23

people will be in line.

\newline

(C) Every hour between

5

a.m. and

11

a.m.,

23

more people get in line.

\newline

(D) Every hour between

6

a.m. and

11

a.m.,

23

more people get in line.

Plug in $h=1$ : Let's plug in $h=1$ to see what happens, since that's the starting point at $6$ a.m. So, $P=23+10(1-1)$ .
Simplify the equation: Simplify the equation: $P=23+10(0)$ , which means $P=23+0$ .
Calculate the number: So, $P=23$ . This means there are $23$ people in line at $6$ a.m., which is when $h=1$ .

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