document.write( "Question 794742: One type of antifreeze is 40% glycol and another type of antifreeze is 60% glycol. How much of each kind should by used to make 100 gallons of antifreeze that is 48% glycol?
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Algebra.Com's Answer #480712 by josgarithmetic(39617) $\"\"$ $\"About$

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L = 40%
\n" ); document.write( "T = 48%
\n" ); document.write( "H = 60%
\n" ); document.write( "M = 100 gallons
\n" ); document.write( "u = how much of L
\n" ); document.write( "v = how much of H
\n" ); document.write( "The unknowns are u and v.\r
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\n" ); document.write( "\n" ); document.write( "Note, $\"L%3CT%3CH\"$ .\r
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\n" ); document.write( "\n" ); document.write( " $\"%28Lu%2BHv%29%2FM=T\"$ and $\"u%2Bv=M\"$ .\r
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\n" ); document.write( "\n" ); document.write( "Solve that as a system completely in symbols for u and v.
\n" ); document.write( "Substitute values and evaluate. \n" ); document.write( "

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