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Harry rides his bike uphill 14 miles in 70 minutes, then turns around
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26 Feb 2021, 06:53
26 Feb 2021, 06:53
Expert Reply
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Question Stats:
92% (01:27) correct
8% (00:36) wrong based on 25 sessions
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Harry rides his bike uphill 14 miles in 70 minutes, then turns around and rides the same distance downhill in 50 minutes. What was his average speed, in miles per hour?
14
21
28
35
42
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
14
21
28
35
42
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
Harry rides his bike uphill 14 miles in 70 minutes, then turns around
[#permalink]
26 Feb 2021, 07:35
26 Feb 2021, 07:35
2
Total distance covered = uphill + downhill = 14 + 14 = 28miles
Total time taken = 70 +50 = 120 minutes = 2hrs
Average speed = \(\frac{Total distance}{total time in hours}\)
= \(\frac{28}{2}\) = 14mph
Answer A
Total time taken = 70 +50 = 120 minutes = 2hrs
Average speed = \(\frac{Total distance}{total time in hours}\)
= \(\frac{28}{2}\) = 14mph
Answer A
Re: Harry rides his bike uphill 14 miles in 70 minutes, then turns around
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01 Sep 2022, 21:27
01 Sep 2022, 21:27
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