Question

Ralph runs at a constant rate of 3 miles per hour. How long will it take Ralph to run 15 miles?

A. 2 hr.
B. 3 hr.
C. 4 hr.
D. 5 hr.

Answer 1

D 5 hours because it will take him 3 x ? Hours to do it so you could do 15 divided by 3 to get ? Which is 5 so the answer is D 5

Answer 2

D. 5 hr.

Explanation:

It´s just like you´re doing division so you can divide 3 by 15 and you know that 5 x 3 = 15 so D is your answer