document.write( "Question 295596: How many ounces of pure alcohol must be added to 40 ounces of a 70% alcohol solution to produce an 85% alcohol solution? \n" ); document.write( "

Algebra.Com's Answer #854265 by josgarithmetic(39823) $\"\"$ $\"About$

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v, amount of pure alcohol
\n" ); document.write( " $\"100v%2B70%2A40=%28v%2B40%29%2A85\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"100v%2B70%2A40=85v%2B85%2A40\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"100v-85v=85%2A40-70%2A40\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"v%28100-85%29=40%2885-70%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"v=40%28%2885-70%29%2F%28100-85%29%29\"$ Compute this v. \n" ); document.write( "

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