Question

A ship is traveling at 55 mph. If the rate of speed increases 5 mph each hour, how long will it be before the ship is traveling at a rate

of 75 mph?

A) 2hours

B) 3hours

C) 4hours

Answer 1

C. 4 hours

Explanation:

I know this because it needs to be increased 20 mph more and since it increases 5 mph each hour then it would need to be increased the 5 mph 4 times to reach 75 mph.