document.write( "Question 440552: A pharmacist mixed some 10%-saline solution with some 15%-saline solution to obtain 100 ml of a 12%-saline solution. How much of the 10%-saline solution did the pharmacist use in the mixture? \n" ); document.write( "

Algebra.Com's Answer #306849 by rwm(914) $\"\"$ $\"About$

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.1*x+.15*y=.12*100
\n" ); document.write( "x+y=100
\n" ); document.write( "x=60 y=40
\n" ); document.write( "check
\n" ); document.write( ".1*60+.15*40=.12*100
\n" ); document.write( " \n" ); document.write( "

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