document.write( "Question 33157: A pharmacists needs to obtain a 70% alcohol solution. How many ounces of a 30% alcohol solution must be mixed with 40 ounces of an 80% alcohol solution to obtain a 70% alcohol solution? \n" ); document.write( "
Algebra.Com's Answer #19583 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! (40+X).7=(40).8+.3X OR 28+.7X=32+.3X OR .4X=4 OR X=10 \n" ); document.write( "PROOF .7(40+10)=40*.8+.3*10 OR 35=32+3 OR 35=35 \n" ); document.write( " |