document.write( "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.
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Algebra.Com's Answer #203199 by richwmiller(17219) $\"\"$ $\"About$

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.07x+.04y=300*.05
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\n" ); document.write( "x=100 ML
\n" ); document.write( "y=200 ML
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