document.write( "Question 393985: how much water should be added to 77 gallons of a 32% salt solution to get a 30% salt solution
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Algebra.Com's Answer #279582 by robertb(5830)\"\" \"About 
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0.00x + 0.32*77 = 0.30(x + 77)
\n" ); document.write( "==> 24.64 = 0.30x + 23.1
\n" ); document.write( "==> 1.54 = 0.30x
\n" ); document.write( "==> x = 77/15 gallons of water.
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