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If Laura bikes [tex]$x$[/tex] miles to and from her friend's house each day, what expression can be used to calculate the total distance she travels in a week?

A. [tex]\frac{x}{7}[/tex]
B. [tex]x + 7[/tex]
C. [tex]7x[/tex]
D. [tex]7 - x[/tex]

Sagot :

GinnyAnsweridn
To determine the total distance Laura travels in a week by biking to and from her friend's house each day, let's break it down step-by-step:

1. Identify the daily distance:
- Laura travels [tex]\( x \)[/tex] miles to her friend’s house and back each day.

2. Calculate the weekly distance:
- There are 7 days in a week.
- Since she travels [tex]\( x \)[/tex] miles each day, for 7 days, we multiply the daily distance by the number of days in a week.

3. Form the equation:
- Total distance in a week = [tex]\( 7 \times x \)[/tex].

Thus, the expression for the total distance Laura travels in a week is [tex]\( 7x \)[/tex].

So, the correct answer is:
[tex]\[ 7x \][/tex]
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