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I couldn't solve it ,, please help !!

Expert replies
by dabulaila » Tue Aug 21, 2007 5:54 am
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 1/3 %
(C) 37.5 %
(D) 40%
(E) 50%
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Source: — Problem Solving |

by erdnah » Tue Aug 21, 2007 6:04 am
there are 8 kg solution Y: 2,4 kg liquid, 5,6 kg water
after the evaporation: 2,4 kg liquid, 3,6 kg water (= 6 kg)
2kg of solution: 0,6 kg liquid, 1,4 kg water
new solution: 3 kg liquid, 5 kg water

liquid percentage = 3/8 = 37,5 (= C)

is this correct?
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by dabulaila » Tue Aug 21, 2007 6:15 am
The answer is correct as it's in my answer sheet but I didn't know how they come to this answer. Thanks for solving it
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