Question

Only number 7 please, and the expression

Answer 1

8n, 40 miles in 5 weeks.

Explanation:

given that nate runs 8 miles each week.

Hence in n weeks, he will run

8 miles per week x n weeks

= 8n miles

in 5 weeks, n = 5.

Substituting this into the expression,

8(5) = 40 miles