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Speed and Distance.

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Speed and Distance.

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A cyclist's speed varies, depending on the terrain, between 6.0 miles per hour and 14.0 miles per hour, inclusive. What is the maximum distance, in miles, that the cyclist could travel in 7 hours?

(A) 42
(B) 56
(C) 70
(D) 98
(E) 140

OA is D
Pls I need an expert to elaborate on the breakdown of this question.Thanks

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Hi Roland2rule,

We're told that a cyclist's speed varies (depending on the terrain) between 6.0 miles per hour and 14.0 miles per hour, inclusive. We're asked for the MAXIMUM distance, in miles, that the cyclist could travel in 7 hours.

To maximize the distance traveled, we need to maximize the speed. Here, that would be 14 miles/hour. Over the course of 7 hours, the total distance would be...

(7 hours)(14 miles/hour) = 98 miles

Final Answer: D

GMAT assassins aren't born, they're made,
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GMAT/MBA Expert

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Quote:
A cyclist's speed varies, depending on the terrain, between 6.0 miles per hour and 14.0 miles per hour, inclusive. What is the maximum distance, in miles, that the cyclist could travel in 7 hours?

(A) 42
(B) 56
(C) 70
(D) 98
(E) 140

OA is D
Pls I need an expert to elaborate on the breakdown of this question.Thanks
Hi Roland2rule,
Let's take a look at your question.

To find the maximum distance covered by the cyclist, we will use the maximum speed.
Speed = 14.0 miles per hour
Time = 7 hours
Distance = Speed * Time
Distance = 14 * 7 = 98 miles.

Therefore, Option D is correct.

Hope it helps.
I am available if you'd like any follow up.

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GMAT Prep From The Economist
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