document.write( "Question 660358: You're mixing blue paint with yellow paint to get a total of 12 gallons of the mixture. You want to use 7 times as much yellow paint as blue paint. How many gallons of each should you use? \n" ); document.write( "
Algebra.Com's Answer #411143 by ReadingBoosters(3246)\"\" \"About 
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b + y = 12
\n" ); document.write( "7b = y\r
\n" ); document.write( "\n" ); document.write( "Substitution
\n" ); document.write( "b + 7b = 12
\n" ); document.write( "8b = 12
\n" ); document.write( "b = 12/8
\n" ); document.write( "b = 1 4/8 or 1 1/2 gallons\r
\n" ); document.write( "\n" ); document.write( "y = 7(12/8)
\n" ); document.write( "y = 84/8
\n" ); document.write( "y = 10 4/8 or 10 1/2 gallons
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