document.write( "Question 30787: How many gallons of 51% alcohol solution should be added to some of a 57% alcohol solution to make a 438 gal of a 55% solution? Thank you. \n" ); document.write( "
Algebra.Com's Answer #17531 by checkley71(8403)\"\" \"About 
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(.51X)+(438-X).57=(438).55
\n" ); document.write( ".51X+249.66-.57X=240.9
\n" ); document.write( "-.06X=-8.76 OR X=8.76/.06 OR 146 GAL OF .51 % & 438-146=292 GAL OF 57% \r
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