Question

table of contents > module 7: rational expressions and equations > practice: proportions
practice: proportions
practice: proportions
score: 0/6 answered: 0/6
question 1
ben goes to the grocery store at a rate of 5 times a week. how many times would he be
expected to go to the grocery store in 15 weeks? use x as the variable.
translate to a proportion:

x = times in 15 weeks

Explanation:

Step1: Define the proportion

The rate is 5 times per week, so we can set up the proportion as $\frac{5}{1}$ (times per week) equal to $\frac{x}{15}$ (times per 15 weeks). So the proportion is $\frac{5}{1}=\frac{x}{15}$.

Step2: Solve for \( x \)

Cross - multiply: \( 1\times x = 5\times15 \). Then \( x = 75 \).

Answer:

Translate to a proportion: $\boldsymbol{\frac{5}{1}=\frac{x}{15}}$
\( x=\boldsymbol{75} \) times in 15 weeks