2 ½ batches of truffles

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sanju09: GMAT Instructor; Posts: 3650; Joined: Wed Jan 21, 2009 4:27 amFollowed by: 80 members; Location: India; Thanked: 267 times; GMAT Score:760

by sanju09 » Thu Feb 26, 2009 6:15 am

Three bars of margarine are required to make one batch of chocolate truffles. How many bars of margarine are needed to make enough truffles to occupy 6 shelves in a cake shop, given that each shelf can accommodate 2 ½ batches of truffles?

A. 7 ½
B. 15
C. 18
D. 45
E. 60

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Source: Beat The GMAT — Problem Solving | Thu Feb 26, 2009 6:15 am

bstalling: Senior | Next Rank: 100 Posts; Posts: 31; Joined: Sun Oct 14, 2007 10:57 am; Thanked: 2 times

by bstalling » Thu Feb 26, 2009 6:23 am

(5/2)*6 = 15 batches*3 bars/batch = 45 bars

marcusking: Master | Next Rank: 500 Posts; Posts: 106; Joined: Wed Feb 04, 2009 6:09 am; Location: Louisville, KY; Thanked: 8 times

Re: 2 ½ batches of truffles

by marcusking » Thu Feb 26, 2009 12:08 pm

sanju09 wrote:Three bars of margarine are required to make one batch of chocolate truffles. How many bars of margarine are needed to make enough truffles to occupy 6 shelves in a cake shop, given that each shelf can accommodate 2 ½ batches of truffles?

A. 7 ½
B. 15
C. 18
D. 45
E. 60

3 bars per batch * 5/2 batches of truffles per shelf * 6 shelves.
7.5*6 = 45.

D. 45 bars of Margarine

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