document.write( "Question 632636: Thirty gallons of a 14% acid solution mixed with 60 gallons of a 20% acid solution yield 90 gallons of an x% acid solution. What is the value of x? \n" ); document.write( "
Algebra.Com's Answer #398385 by nerdybill(7384)\"\" \"About 
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Thirty gallons of a 14% acid solution mixed with 60 gallons of a 20% acid solution yield 90 gallons of an x% acid solution. What is the value of x?
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\n" ); document.write( ".14(30) + .20(60) = (x/100)(90)
\n" ); document.write( "4.2 + 12 = 9x/10
\n" ); document.write( "16.2 = 9x/10
\n" ); document.write( "162 = 9x
\n" ); document.write( "18 = x
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