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You pack sandwiches for a mountain hike with your friends. Each sandwich takes $2$ slices of bread, and each hiker eats one sandwich. $\newline$ How many slices of bread are used for $n$ hikers? $\newline$ Write your answer as an expression. $\newline$ $\square$

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Multiply fractions by whole numbers: word problems

Full solution

Q. You pack sandwiches for a mountain hike with your friends. Each sandwich takes

2

slices of bread, and each hiker eats one sandwich.

\newline

How many slices of bread are used for

n

hikers?

\newline

Write your answer as an expression.

\newline

\square

Identify variables and constants: Identify the variables and constants in the problem. $\newline$ Each sandwich requires $2$ slices of bread, and each hiker eats one sandwich. The number of hikers is represented by $n$ .
Set up expression: Set up the expression to calculate the total number of slices of bread needed. $\newline$ Since each hiker eats one sandwich and each sandwich takes $2$ slices of bread, the expression is $2$ slices of bread per hiker times the number of hikers ( $n$ ). $\newline$ Expression: $2$ slices of bread $\times n$ hikers
Write final expression: Write the final expression. $\newline$ The final expression representing the total number of slices of bread used for $n$ hikers is $2n$ .

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