document.write( "Question 1110553: Fred needs 45 ml of 21% sucrose solution to do his science experiment. He needs to mix a 15 % sucrose solution with some 35 % sucrose solution to get the 21 % solution he wants. How much of each should Fred use? \n" ); document.write( "
Algebra.Com's Answer #725536 by josgarithmetic(39618)\"\" \"About 
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x of the 15%
\n" ); document.write( "45-x of the 35%
\n" ); document.write( "Conc Wanted, 21%\r
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\n" ); document.write( "\n" ); document.write( "\"15x%2B35%2845-x%29=21%2A45\"
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