SOLUTION: A cosmetologist has a bottle of 7% hydrogen peroxide solution and a bottle of 4% hydrogen peroxide solution. The cosmetologist needs 300 milliliter of a 5% hydrogen peroxide solut
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Question 279526: A cosmetologist has a bottle of 7% hydrogen peroxide solution and a bottle of 4% hydrogen peroxide solution. The cosmetologist needs 300 milliliter of a 5% hydrogen peroxide solution. Write and solve a linear system to find how many ML of each solution the cosmetologist needs to mix together.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
.07x+.04y=300*.05
x+y=300
x=100 ML
y=200 ML
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