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# Source GMat prep

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Intern
Joined: 25 Dec 2008
Posts: 41

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12 Jan 2009, 05:25
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

For each order, a mail bookseller charges a fixed processing fee and an additional shipping fee for each book in the order. Rajiv placed five different orders with this bookseller- an order for 1 book in January, an order for 2 book in February, an order for 3 book in March, an order for 4 book in April. an order for 5 book in May. What was the total processing and shipping fees for these five orders ?
A. Rajivs processing and shipping fee were 1 more for his order in March than for his order in January
B. The total Rajiv’s shpping fee for five order was 7.50
Intern
Joined: 23 May 2007
Posts: 6

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15 Jan 2009, 20:27
x=processing fee
y=shipping fee

1) (x+3y)-(x+y)=1 ---> 2y=1, thus y=.50
this doesn't mention anything about 'x', so INSUFFICIENT

2) total shipping was 7.50
= y+2y+3y+4y+5y=7.50 ---> 15y=7.50, thus y=.50
This doesn't mention anything about 'x', so INSUFFICIENT

Taking 1) and 2) together, they still don't explain about the processing fee 'x'.

Thus E
Re: Source GMat prep   [#permalink] 15 Jan 2009, 20:27
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# Source GMat prep

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