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# FDP strategies

Author Message
Intern
Joined: 17 Mar 2014
Posts: 32
Location: India
GMAT Date: 07-02-2015
WE: Information Technology (Computer Software)
Followers: 0

Kudos [?]: 16 [0], given: 24

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17 Mar 2014, 20:45
Hi,
I'm very new to this forum, so apologize me if I posted this at wrong place.

In Manhattan 1St strategy guide, 5 th edition pg no:99, 3rd question.

Lispa spends 3/8 of her monthly paycheck on rent and 5/12 on food.Her room mate,carrie, who earns twice as much as Lisa, spends 1/4 of her monthly pay check on rent and 1/2 on food. if the two women decide to donate the remainder of their money to charity each month, wat fraction of their combined monthly income will they donate?

I got the answer as 33/72, but 17/72 is given in book.
my intrepretation is as follows

balance of lispa salary is 5/24 and carrie's is 12/48. If I do cross multiplication while adding, my answer is 33/72. could any tell me where I had gone wrong?

FDP strategies   [#permalink] 17 Mar 2014, 20:45
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# FDP strategies

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