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James took a 3-hour bike ride. In the second hour he travlle

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Director
Joined: 29 Nov 2012
Posts: 862

Kudos [?]: 1488 [0], given: 543

James took a 3-hour bike ride. In the second hour he travlle [#permalink]

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09 Sep 2013, 00:22
00:00

Difficulty:

25% (medium)

Question Stats:

80% (01:25) correct 20% (01:49) wrong based on 40 sessions

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James took a 3-hour bike ride. In the second hour he travlled 18 miles, which was 20 percent farther than he traveled the first hour. If he traveled 25 percent farther in the third hour than he did in the second hour, how many miles did jose travel during the entire ride?

A) 54.0
B) 54.9
C) 55.5
D) 57.0
E) 63.0

[Reveal] Spoiler: OA

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Kudos [?]: 1488 [0], given: 543

Verbal Forum Moderator
Joined: 10 Oct 2012
Posts: 626

Kudos [?]: 1409 [0], given: 136

Re: James took a 3-hour bike ride. In the second hour he travlle [#permalink]

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09 Sep 2013, 00:41
fozzzy wrote:
James took a 3-hour bike ride. In the second hour he travlled 18 miles, which was 20 percent farther than he traveled the first hour. If he traveled 25 percent farther in the third hour than he did in the second hour, how many miles did jose travel during the entire ride?

A) 54.0
B) 54.9
C) 55.5
D) 57.0
E) 63.0

Let the distance travelled in the first hour be x. Thus, 1.2x = 18 , x = 15. Now, the distance travelled in the 3rd hour = $$18+\frac{1}{4}*18$$ = The only option ending with a 0.5 in the decimal's place is C.
C.
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Kudos [?]: 1409 [0], given: 136

Director
Joined: 29 Nov 2012
Posts: 862

Kudos [?]: 1488 [1], given: 543

Re: James took a 3-hour bike ride. In the second hour he travlle [#permalink]

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09 Sep 2013, 00:51
1
KUDOS
Just to clarify in first hour 15 miles travelled in second hour 18 miles ( 3 additional miles) and 3rd hour 22.5 miles ( 4.5 miles travelled)

The numbers in the bracket represents the net increase.
_________________

Click +1 Kudos if my post helped...

Amazing Free video explanation for all Quant questions from OG 13 and much more http://www.gmatquantum.com/og13th/

GMAT Prep software What if scenarios http://gmatclub.com/forum/gmat-prep-software-analysis-and-what-if-scenarios-146146.html

Kudos [?]: 1488 [1], given: 543

Re: James took a 3-hour bike ride. In the second hour he travlle   [#permalink] 09 Sep 2013, 00:51
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