document.write( "Question 511334: How many gallons of water must be added to 40 gallons of 10% alcohol solution to produce an 8% alcohol solution? \n" ); document.write( "
Algebra.Com's Answer #342153 by stanbon(75887)\"\" \"About 
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How many gallons of water must be added to 40 gallons of 10% alcohol solution to produce an 8% alcohol solution?
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\n" ); document.write( "Equation:
\n" ); document.write( "water + water = water
\n" ); document.write( "x + 0.90*40 = 0.92(x+40)
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\n" ); document.write( "Multiply thru by 100 to get:
\n" ); document.write( "100x + 90*40 = 92x + 92*40
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\n" ); document.write( "8x = 2*40
\n" ); document.write( "x = 10 gallons (amt. of water to add)
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\n" ); document.write( "cheers,
\n" ); document.write( "stan H.
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