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Jon can finish a race in exactly 4 hours. Stacy runs at a speed that
[#permalink]
18 Jan 2023, 11:21
18 Jan 2023, 11:21
Expert Reply
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Question Stats:
61% (01:42) correct
38% (01:08) wrong based on 21 sessions
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Jon can finish a race in exactly 4 hours. Stacy runs at a speed that is 50 % faster than Jon's speed.
A. The quantity in Column A is greater
B. The quantity in Column B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Quantity A |
Quantity B |
2.5 hours |
The amount of time it will take Stacy to complete the race |
A. The quantity in Column A is greater
B. The quantity in Column B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Re: Jon can finish a race in exactly 4 hours. Stacy runs at a speed that
[#permalink]
23 Jan 2023, 23:23
23 Jan 2023, 23:23
1
50% faster means Stacy runs at a speed of 150% of Jon.
Jon's speed: 1/4 race/hr
Stacy's speed: (150% * 1/4) race/hr = (3/2 * 1/4) race/hr = 3/8 race/hr
Time taken = Distance / Speed
--> Time taken by Stacy = (1 race)/(3/8 race/hr) = 8/3 hr = 2.66 hrs > 2.5 hrs
Hence B is the Big J...
Jon's speed: 1/4 race/hr
Stacy's speed: (150% * 1/4) race/hr = (3/2 * 1/4) race/hr = 3/8 race/hr
Time taken = Distance / Speed
--> Time taken by Stacy = (1 race)/(3/8 race/hr) = 8/3 hr = 2.66 hrs > 2.5 hrs
Hence B is the Big J...
gmatclubot
Re: Jon can finish a race in exactly 4 hours. Stacy runs at a speed that [#permalink]
23 Jan 2023, 23:23
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