Free Practice Question
PS · Problem Solving
705-805
Distance/Rate Problems
A certain vehicle is undergoing performance adjustments during a set of three trials on an 8-mile track. The first time it travels around the track at a constant rate of p miles per minute, the second time at a constant rate of p^2 miles per minute, and the third time at a constant rate of p^3 miles per minute. If the vehicle takes the same time to travel the first 18 miles of these trials as it does to travel the last 8 miles, how many minutes does it take to complete all three trials (not counting any time between trials)?
Answer Choices
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86
B
98
C
106
D
108
E
112
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Explanation
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Difficulty
705-805
Type
PS
Category