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If Cindy ran at 7.5 miles per hour for 16 minutes, and then ran at 6 m

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If Cindy ran at 7.5 miles per hour for 16 minutes, and then ran at 6 m  [#permalink]

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New post 13 Feb 2019, 00:49
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A
B
C
D
E

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  25% (medium)

Question Stats:

74% (01:33) correct 26% (02:41) wrong based on 50 sessions

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If Cindy ran at 7.5 miles per hour for 16 minutes, and then ran at 6 miles per hour for 10 minutes, how far in miles did she run total?

(A) 2.5
(B) 2.8
(C) 3
(D) 3.5
(E) 5

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If Cindy ran at 7.5 miles per hour for 16 minutes, and then ran at 6 m  [#permalink]

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New post Updated on: 13 Feb 2019, 07:04
Bunuel wrote:
If Cindy ran at 7.5 miles per hour for 16 minutes, and then ran at 6 miles per hour for 10 minutes, how far in miles did she run total?

(A) 2.5
(B) 2.8
(C) 3
(D) 3.5
(E) 5



7.5*16/60 + 6*10/60
solve
3
IMO C
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Originally posted by Archit3110 on 13 Feb 2019, 06:57.
Last edited by Archit3110 on 13 Feb 2019, 07:04, edited 1 time in total.
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Re: If Cindy ran at 7.5 miles per hour for 16 minutes, and then ran at 6 m  [#permalink]

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New post 13 Feb 2019, 07:03
7.5*16/60 + 6*10/60 = 3
Hence C

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Re: If Cindy ran at 7.5 miles per hour for 16 minutes, and then ran at 6 m  [#permalink]

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New post 15 Feb 2019, 18:31
Bunuel wrote:
If Cindy ran at 7.5 miles per hour for 16 minutes, and then ran at 6 miles per hour for 10 minutes, how far in miles did she run total?

(A) 2.5
(B) 2.8
(C) 3
(D) 3.5
(E) 5


We note that 16 minutes is 16/60 of an hour, and 10 minutes is 10/60 of an hour. Using the distance formula, we calculate the total distance she ran as:

7.5 x 16/60 + 6 x 10/60

120/60 + 60/60 = 2 + 1 = 3 miles

Answer: C
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Re: If Cindy ran at 7.5 miles per hour for 16 minutes, and then ran at 6 m   [#permalink] 15 Feb 2019, 18:31
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