SOLUTION: please help me solve this equation:(grade 10 math)A 40% solution is added to an 85% sugar solution to create 1800ml if a 60% solution. how much 40% solution is used?

Question 655208: please help me solve this equation:(grade 10 math)A 40% solution is added to an 85% sugar solution to create 1800ml if a 60% solution. how much 40% solution is used?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
A 40% solution is added to an 85% sugar solution to create 1800ml if a 60% solution. how much 40% solution is used?
.
Let x = amount (ml) of 40% solution used
then
1800-x = amount of 85% solution
.
1530 - .85x + .40x = 1080
1530 - .45x = 1080
-.45x = -450
.45x = 450
x = 1000 ml

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