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solution......

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solution......

by smclean23 » Thu Jul 10, 2008 6:32 pm
. Solution Y is 30 percent liquid X and 70 percent water. If 2 kilograms of water evaporate from 8 kilograms of solution Y and 2 kilograms of solution Y are added to the remaining 6 kilograms of liquid, what percent of this new solution is liquid X?
(A) 30%
(B) 33.33%
(C) 37.5%
(D) 40%
(E) 50%
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by gxliu » Fri Jul 11, 2008 7:26 am
C
.3*8=2.4 Liquid X
.7*8=5.6 Water

8-2=6 Solution Y
5.6-2=3.6 Water
6+2=8
2*.3=.6 Liquid X
.6+2.4=3
3/8=.375
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