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The rental charge for a car is 34 cents for the first 1/4

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Joined: 13 Feb 2007
Posts: 63
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The rental charge for a car is 34 cents for the first 1/4 [#permalink]  16 Jun 2007, 21:17
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The rental charge for a car is 34 cents for the first

1/4 mile driven and 6 cents for every 1/5 mile driven

over the initial 1/4 mile. If a man paid $1.24 in rental charge, how many miles did he drive? Director Joined: 13 Mar 2007 Posts: 545 Schools: MIT Sloan Followers: 4 Kudos [?]: 30 [0], given: 0 [#permalink] 16 Jun 2007, 21:22 extra amt he paid over the initial 34c = 1.24 - 0.34 = 90c total number of 1/5 miles driven = 90/6 => 15 tot dist = 1/4 + 15x(1/15) = 13/4 miles Manager Joined: 17 May 2007 Posts: 179 Followers: 1 Kudos [?]: 7 [0], given: 0 [#permalink] 17 Jun 2007, 06:09 Ans: 13/4 miles. 0.34 + 0.06 *1/5 X = 1.34 ==> 0.06 * X/5 = 0.09 ==> X = 15 So one 1/4 th mile + 15 1/5th miles = 1/4+3 = 13/4 miles Manager Joined: 13 Feb 2007 Posts: 63 Followers: 1 Kudos [?]: 1 [0], given: 0 [#permalink] 17 Jun 2007, 07:10 I was trying to write a single equation in which I could solve for 'x', for example, and have my complete answer. I couldn't write one and I feel defeated. Can anyone write a single equation I can solve that results in 13/4? Thanks. GMAT Instructor Joined: 04 Jul 2006 Posts: 1266 Location: Madrid Followers: 25 Kudos [?]: 169 [0], given: 0 Re: Rental Car [#permalink] 18 Jun 2007, 08:34 ethan_casta wrote: The rental charge for a car is 34 cents for the first 1/4 mile driven and 6 cents for every 1/5 mile driven over the initial 1/4 mile. If a man paid$1.24 in

rental charge, how many miles did he drive?

34 + 6(5)(x-0.1/4)=124

x - 1/4 =90/30 = 3

x= 3 + 1/4
Re: Rental Car   [#permalink] 18 Jun 2007, 08:34
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