Question

Kyra is participating in a fundraiser walk-a-thon. She walks 3 miles in 45 minutes. If she continues to walk at the same rate, determine how many minutes it will take her to walk 7 miles. Show how you found your answer.

Answer 1

3 milles ---> 45 minutes

7 miles ---> x minutes

then

`\begin{gathered} 3* x=7*45 \\ 3x=315 \\ (3x)/(3)=(315)/(3) \\ x=105 \end{gathered}`

answer: 105 minutes for walk 7 miles