document.write( "Question 221109: This has been troubling me for some time now: How many gallons of an 8% acid solution and a 22% acid solution need to be mixed to make 14 gallons of a 13% acid solution? \n" ); document.write( "
Algebra.Com's Answer #165880 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How many gallons of an 8% acid solution and a 22% acid solution need to be mixed to make 14 gallons of a 13% acid solution? \n" ); document.write( "---------------------------- \n" ); document.write( "Equation: \n" ); document.write( "acid + acid = acid \n" ); document.write( "0.08x + 0.22(14-x) = 0.13*14 \n" ); document.write( "Multiply thru by 100 to get: \n" ); document.write( "8x + 22*14 - 22x = 13*14 \n" ); document.write( "-14x = -9*14 \n" ); document.write( "x = 9 gallons (amt. of 8% solution in the mixture) \n" ); document.write( "------------------------ \n" ); document.write( "14-x = 5 gallons (amt. 22% solution in the mixture) \n" ); document.write( "======================================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |