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hamburger

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Director
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Schools: MIT Sloan
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hamburger [#permalink] New post 02 May 2007, 20:55
either the answers choices are messed up or I am missing something !

At a certain diner, a hamburger and coleslaw cost $3.59, and a hamburger and french fries cost $4.40. If french fries cost twice as much as coleslaw, how much do french fries cost?

(A) $0.30
(B) $0.45
(C) $0.60
(D) $0.75
(E) $0.90

What do u guys say ? :)
Manager
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Re: hamburger [#permalink] New post 02 May 2007, 21:01
grad_mba wrote:
either the answers choices are messed up or I am missing something !

At a certain diner, a hamburger and coleslaw cost $3.59, and a hamburger and french fries cost $4.40. If french fries cost twice as much as coleslaw, how much do french fries cost?

(A) $0.30
(B) $0.45
(C) $0.60
(D) $0.75
(E) $0.90

What do u guys say ? :)


Do not see the result I figured out in the anwser choices :lol:
Senior Manager
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Re: hamburger [#permalink] New post 02 May 2007, 21:11
At a certain diner, a hamburger and coleslaw cost $3.59,

H + C = 3.59 ------>1

and a hamburger and french fries cost $4.40.

H + F = 4.40 -------->2


2 - 1 gives

F - C = 4.40 - 3.59 = 0.81

If french fries cost twice as much as coleslaw,
i.e F = 2C

2C - C = 0.81

=> C= 0.81

how much do french fries cost?

Since F = 2C = 2 (0.81) = 1.62

Choices are Wrong

(A) $0.30
(B) $0.45
(C) $0.60
(D) $0.75
(E) $0.90
Director
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 [#permalink] New post 02 May 2007, 21:53
Exactly !!

1.62 it is :)
Manager
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 [#permalink] New post 03 May 2007, 00:12
I agree choices are wrong. I faced the same problem.
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 [#permalink] New post 04 May 2007, 11:06
problem is simple and I got 1.62
choices are wrong
Manager
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 [#permalink] New post 04 May 2007, 11:07
I got the same....1.62.
  [#permalink] 04 May 2007, 11:07
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