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Brand A scooter has a top speed that goes 4 miles per hour faster than Brand B. If after 5 hour, Brand A scooter traveled 75 miles at its top speed, at what rate did Brand B scooter travel at its top speed if it traveled the same distanceA: 15 mphB: 19 mphC: 9 mphD: 11 mph

1 Answer

3 votes

We know

D = RT

Where

D is distance

R is rate

T is time

It is given that Brand A scooter (the faster one) traveled 75 miles in 5 hours.

Given

D = 75

T = 5

Let's find R:


\begin{gathered} D=RT \\ 75=R(5) \\ R=(75)/(5) \\ R=15 \end{gathered}

Brand A scooter's Rate = 15 mph

We know Brand A is 4 mph FASTER than Brand B. So,

Brand B is 4 mph slower than 15, hence Brand B's speed (rate) would be:

15 - 4 = 11 mph

From the answer choices,

the correct answer is D

User Jsvisa
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