fries and coleslaw!!!!!!!!!!!!help ..easy but weird

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charmaine: Senior | Next Rank: 100 Posts; Posts: 71; Joined: Sun May 18, 2008 11:04 pm; Thanked: 1 times

by charmaine » Wed Sep 10, 2008 9:14 pm

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 ?

ans. 0.90

thanks

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Source: Beat The GMAT — Problem Solving | Wed Sep 10, 2008 9:14 pm

parallel_chase: Legendary Member; Posts: 1153; Joined: Wed Jun 20, 2007 6:21 amFollowed by: 2 members; Thanked: 146 times

Re: fries and coleslaw!!!!!!!!!!!!help ..easy but weird

by parallel_chase » Thu Sep 11, 2008 1:24 am

charmaine wrote: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 ?

ans. 0.90

thanks

H+C = 3.59

H+F = 4.40

F = 2C

substitute the values of F in second equation and solve for C

C = .81

F = 1.62.

1.62 is the answer, which is again not the OA. Source pls ?

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mals24: Legendary Member; Posts: 683; Joined: Tue Jul 22, 2008 1:58 pmFollowed by: 2 members; Location: Dubai; Thanked: 73 times

by mals24 » Thu Sep 11, 2008 4:21 am

agree with parallel_chase

This ques involves basic solving of equations and the ans is Fries = 1.62
Can you list the source of the ques and the answer choices provided.

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charmaine: Senior | Next Rank: 100 Posts; Posts: 71; Joined: Sun May 18, 2008 11:04 pm; Thanked: 1 times

by charmaine » Thu Sep 11, 2008 4:29 pm

i know ! .....i think the answers are all wrong ...the answer is 0.90 ...anyways thanks for reassuring me

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