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# Jason can drive from his home to his mother's house by one of two poss

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Math Expert
Joined: 02 Sep 2009
Posts: 52392
Jason can drive from his home to his mother's house by one of two poss  [#permalink]

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29 Mar 2017, 04:02
00:00

Difficulty:

15% (low)

Question Stats:

86% (00:49) correct 14% (00:56) wrong based on 48 sessions

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Jason can drive from his home to his mother's house by one of two possible routes. If he must also return by one of these routes, what is the distance of the shorter route?

(1) When he drives from his home to his mother's house by the shorter route and returns by the longer route, he drives a total of 52 kilometers.
(2) When he drives both ways, from his home to his mother's house and back, by the longer route, he drives a total of 60 kilometers.

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Joined: 05 Mar 2015
Posts: 1003
Re: Jason can drive from his home to his mother's house by one of two poss  [#permalink]

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29 Mar 2017, 09:36
Bunuel wrote:
Jason can drive from his home to his mother's house by one of two possible routes. If he must also return by one of these routes, what is the distance of the shorter route?

(1) When he drives from his home to his mother's house by the shorter route and returns by the longer route, he drives a total of 52 kilometers.
(2) When he drives both ways, from his home to his mother's house and back, by the longer route, he drives a total of 60 kilometers.

(1)Long + short =52
insuff

(2) 2*Long = 60
Long=30 Km
insuff

combining from 2 Long =30km then short = 52-30=22km
suff

ans C
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Joined: 06 Dec 2016
Posts: 248
Re: Jason can drive from his home to his mother's house by one of two poss  [#permalink]

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29 Mar 2017, 09:52
Jason can drive from his home to his mother's house by one of two possible routes. If he must also return by one of these routes, what is the distance of the shorter route?

1 is insufficient because we can not calculate the distance of the shorter route
2 is insufficient because it did not provide any detail in regard to the shorter route

1 & 2 is sufficient. shorter route = 52 - 32 = 22

Re: Jason can drive from his home to his mother's house by one of two poss &nbs [#permalink] 29 Mar 2017, 09:52
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