Question

If a jogger runs 3.5 miles in 21 minutes, what is the jogger's average speed in miles per hour?

A. 10.5 mph
B. 1.225 mph
C. 10 mph
D. 6.5 mph

Answer 1

C

Explanation:

convert minutes to hours

3.5÷60= 0.35h

then substitute into the formula s=d/t