document.write( "Question 426148: how much alloy that is 40% copper should be mixed with 300 ounces of an alloy that is 70% copper in order to get an alloy that is 50% \n" ); document.write( "
Algebra.Com's Answer #318090 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! .4m+300(.7)=.5(m+300) \n" ); document.write( ".4m+210=.5m+150 \n" ); document.write( ".1m=60 \n" ); document.write( "m=60/.1=600 \n" ); document.write( "You need 600 ozs. for your mix.. \n" ); document.write( " |