document.write( "Question 425150: How many quarts of a 50% acid solution must be added to 20 quarts of a 20% acid solution to obtain a 40% acid solution? \n" ); document.write( "
Algebra.Com's Answer #318383 by jorel1380(3719)\"\" \"About 
You can put this solution on YOUR website!
.50m+20(.2)=.4(m+20)
\n" ); document.write( ".50m+4=.4m+8
\n" ); document.write( ".1m=4
\n" ); document.write( "m=4/.1=40
\n" ); document.write( "You need 40 qts. of 50% acid solution for your mix..
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