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Joined: 20 Feb 2017
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A cyclist travels the length of a bike path that is 225 miles long,
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31 Mar 2021, 09:27
31 Mar 2021, 09:27
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A cyclist travels the length of a bike path that is 225 miles long, rounded to the nearest mile. If the trip took him 5 hrs, rounded to the nearest hour, then his average speed must be between:
A. 38 and 50 mph
B. 40 and 50 mph
C. 40 and 51 mph
D. 41 and 50 mph
E. 41 and 51 mph
A. 38 and 50 mph
B. 40 and 50 mph
C. 40 and 51 mph
D. 41 and 50 mph
E. 41 and 51 mph
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Re: A cyclist travels the length of a bike path that is 225 miles long,
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31 Mar 2021, 10:25
31 Mar 2021, 10:25
1
GeminiHeat wrote:
A cyclist travels the length of a bike path that is 225 miles long, rounded to the nearest mile. If the trip took him 5 hrs, rounded to the nearest hour, then his average speed must be between:
A. 38 and 50 mph
B. 40 and 50 mph
C. 40 and 51 mph
D. 41 and 50 mph
E. 41 and 51 mph
A. 38 and 50 mph
B. 40 and 50 mph
C. 40 and 51 mph
D. 41 and 50 mph
E. 41 and 51 mph
For Distance:
224.5 < 225 < 225.5
For Time:
4.5 < 5 < 5.5
For Speed:
Case I: \(\frac{224.5}{4.5} = 49.88\)
Case II: \(\frac{224.5}{5.5} = 40.81\)
Case III: \(\frac{225.5}{4.5} = 50.11\)
Case IV: \(\frac{225.5}{5.5} = 41\)
All these values lie between 40 and 51
Hence, option C
gmatclubot
Re: A cyclist travels the length of a bike path that is 225 miles long, [#permalink]
31 Mar 2021, 10:25
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