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# At a sale all books were priced equally and all magazines were priced

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Math Expert
Joined: 02 Sep 2009
Posts: 55277
At a sale all books were priced equally and all magazines were priced  [#permalink]

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10 Sep 2017, 22:37
00:00

Difficulty:

15% (low)

Question Stats:

78% (00:52) correct 22% (01:00) wrong based on 78 sessions

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At a sale all books were priced equally and all magazines were priced equally. What was the price of 3 books and 4 magazines at the sale?

(1) At the sale the price of a book was \$1.45 more than the price of a magazine.

(2) At the sale the price of 6 books and 8 magazines was \$43.70.

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Current Student
Joined: 02 Jul 2017
Posts: 294
Concentration: Entrepreneurship, Technology
GMAT 1: 730 Q50 V38
Re: At a sale all books were priced equally and all magazines were priced  [#permalink]

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10 Sep 2017, 22:49
price of books =B
price of magazines =M
Find: price of 3 books and 4 magazines => 3B +4M = ?

(1) At the sale the price of a book was \$1.45 more than the price of a magazine.
=> B = 1.45+M
to find total cost we need to know value of 1 of the parameters with above equation
=? 3B+4M = 3(1.45+M)+4M = some value in M form.
Not sufficient

(2) At the sale the price of 6 books and 8 magazines was \$43.70.
=>6B+8M = 43.70
=> 2(3B+4M)=43.70
Sufficient

Non-Human User
Joined: 09 Sep 2013
Posts: 11029
Re: At a sale all books were priced equally and all magazines  [#permalink]

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08 Apr 2019, 00:02
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Re: At a sale all books were priced equally and all magazines   [#permalink] 08 Apr 2019, 00:02
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