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A bakery sells white bread for certain price and rye bread for a certa

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A bakery sells white bread for certain price and rye bread for a certa [#permalink]

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New post 10 Sep 2017, 04:52
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  25% (medium)

Question Stats:

90% (00:40) correct 10% (00:00) wrong based on 21 sessions

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A bakery sells white bread for certain price and rye bread for a certain price. If Chris, Matt and John bought bread in this bakery, how much did Chris pay for 2 white breads and 3 rye breads?

(1) Matt bought 2 white breads and 2 rye breads for $8.80.
(2) John bought 4 white breads and 6 rye breads for $22.20.

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Re: A bakery sells white bread for certain price and rye bread for a certa [#permalink]

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New post 10 Sep 2017, 05:45
Let the price of white bread be w and that of rye bread be r. We have to find the solution for the equation 2w+3r
Stmt 1 says that 2w+2r=8.8, hence w+r=4.4. this doesn't help.

Stmt 2 says that 4w+6r=22.2, hence dividing by 2 we get, 2w+3r=11.1. Hence sufficient.
Ans is B
Re: A bakery sells white bread for certain price and rye bread for a certa   [#permalink] 10 Sep 2017, 05:45
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