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# If fifteen quarts of water evaporate from sixty quarts of a

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Manager
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If fifteen quarts of water evaporate from sixty quarts of a [#permalink]  03 Sep 2003, 04:08
If fifteen quarts of water evaporate from sixty quarts of a 3% salt solution, what is the concentration of the new solution?

A. 3.5%
B. 4%
C. 4.5%
D. 5%
E. 6%
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Joined: 22 May 2003
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3% of 60 is 1.8

15 quarts of water evaporates, so we are left with 45 quarts

1.8/45=4/100=4%

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