document.write( "Question 423547: how many liters of a 25% acid solution would we need to mix with 7 liters of 10% to produce 20% acid solution as a result? \n" ); document.write( "
Algebra.Com's Answer #319237 by jorel1380(3719)\"\" \"About 
You can put this solution on YOUR website!
.25m+7(.1)=.2(m+7)
\n" ); document.write( ".25m+.7=.2m+1.4
\n" ); document.write( ".05m=.7
\n" ); document.write( "m=.7/.05=14
\n" ); document.write( "We need 14 liters of 25% acid for our mix..
\n" ); document.write( "
\n" );