document.write( "Question 811206: Doreen Schmidt is a chemist. she needs to prepare 32 ounces of a 15% hydrochloric acid solution. find the amount of 16% solution and the mount of 8% solution she should mix to get this solution? \n" ); document.write( "
Algebra.Com's Answer #488655 by ankor@dixie-net.com(22740)\"\" \"About 
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prepare 32 ounces of a 15% hydrochloric acid solution.
\n" ); document.write( " find the amount of 16% solution and the amount of 8% solution she should mix to get this solution?
\n" ); document.write( ":
\n" ); document.write( "let x = amt of 16% solution required
\n" ); document.write( "The total is to be 32 oz, therefore
\n" ); document.write( "(32-x) = amt of 8% solution
\n" ); document.write( ":
\n" ); document.write( ".16x + .08(32-x) = .15(32)
\n" ); document.write( ".16x + 2.56 - .08x = 4.8
\n" ); document.write( ".16x - .08x = 4.8 - 2.56
\n" ); document.write( ".08x = 2.24
\n" ); document.write( "x = 2.24/.08
\n" ); document.write( "x = 28 oz of 16% solution
\n" ); document.write( "then
\n" ); document.write( "32 - 28 = 4 oz of the 8% solution
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( "Check that
\n" ); document.write( ".16(28) + .08(4) = .15(32)
\n" ); document.write( "4.48 + .32 = 4.8; confirms out answer \n" ); document.write( "
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