SOLUTION: How many pounds of a certain alloy containing 35 percent must be melted with another alloy containing 65 percent silver to obtain 50 pounds of an alloy containing 50 percent silver

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Question 411882: How many pounds of a certain alloy containing 35 percent must be melted with another alloy containing 65 percent silver to obtain 50 pounds of an alloy containing 50 percent silver?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
percent ----------------quantity
35.00% ----------------x
65.00% ----------------50-x
Total 50.00%----------------50
35x+65(50-x)=50*50
35x+3250-65x=2500
35x-65x =2500-3250
-30x-=-750
/-30
x=25 pounds 35% alloy
25 pounds 65% alloy


25