SOLUTION: Fred needs 45 ml of 8% sucrose solution to do his science experiment. He needs to mix a 5% sucrose solution with some 15% sucrose solution to get the 8% solution he wants. How much
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Question 790667: Fred needs 45 ml of 8% sucrose solution to do his science experiment. He needs to mix a 5% sucrose solution with some 15% sucrose solution to get the 8% solution he wants. How much of each should Fred use? (Include units with your numerical answers.)
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Fred needs 45 ml of 8% sucrose solution to do his science experiment. He needs to mix a 5% sucrose solution with some 15% sucrose solution to get the 8% solution he wants. How much of each should Fred use? (Include units with your numerical answers.)
***
let x=amount of 5% solution to mix
45-x=amount of 15% solution to mix
..
5%x+15%(45-x)=8%*45
.05x+6.75-.15x=3.6
.10x=3.15
x=31.5
45-x=9.5
..
amount of 5% solution to mix=31.5 ml
amount of 15% solution to mix=9.5 ml
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