document.write( "Question 879902: Streakfree window cleaner is 12% alcohol and sunstream window cleaner is 30% alcohol. How much of each should be used to make 90oz of a cleaner that is 20% alcohol? (In order to receive credit you must use a system of equations.) \n" ); document.write( "

Algebra.Com's Answer #531105 by josgarithmetic(39618) $\"\"$ $\"About$

You can put this solution on YOUR website!
Follow what this tells:
\n" ); document.write( "CLICK ON THIS HYPERLINK! General solution is included - Lessson for two-part mixture for unknown quantities of the two parts \n" ); document.write( "

\n" );