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Pat bought 5 pounds of apples. How many pounds of

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Pat bought 5 pounds of apples. How many pounds of [#permalink] New post 14 Nov 2012, 06:36
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Pat bought 5 pounds of apples. How many pounds of pears could he have bought for same amount of money?
1) 1 pound of pears cost $0.5 more that 1 pound of apples
2) 1 pound of pears cost 1.5 times as much as 1 pound of apples

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Re: Pat bought 5 pounds of apples. How many pounds of [#permalink] New post 14 Nov 2012, 10:48
Pat bought 5 pounds of apples. How many pounds of pears could he have bought for same amount of money?
1) 1 pound of pears cost $0.5 more that 1 pound of apples
2) 1 pound of pears cost 1.5 times as much as 1 pound of apples

We need a relationship between price of pears and that of apples to solve the question.

STAT1
1p = 0.5 + 1a
But this relationship is not sufficient to answer because
price of 5 pounds of apples = 5p = 5*0.5 + 5a but we cannot tell for sure about the exact pounds of apples we can buy

STAT2
1p = 1.5*1a
This relationship is sufficient because
price of 5 pounds of apples = 5p = 5*1.5 *1a= 7.5a
so we know for sure that we can buy 7.5 pounds of apples with the same money.
So, Answer will be B

Hope it helps!
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Re: Pat bought 5 pounds of apples. How many pounds of   [#permalink] 14 Nov 2012, 10:48
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