SOLUTION: How many ml of water should be mixed with 1200ml of a 65% solution to make a 45% solution?

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Question 771985: How many ml of water should be mixed with 1200ml of a 65% solution to make a 45% solution?
Answer by modi.kk91(20) About Me  (Show Source):
You can put this solution on YOUR website!
let mixed water =x at o%

0%*x+1200*65%=45%*(x+1200)
78000=45x+54000

24000=45x
x=24000/45