document.write( "Question 339646: How many grams of an alloy that is 70% silver should be melted with 60 grams of an alloy that is 20% silver to produce an alloy that is 30% silver? \n" ); document.write( "
Algebra.Com's Answer #243360 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! .70X+.20*60=.30(60+X) \n" ); document.write( ".70X+12=18-.30X \n" ); document.write( ".70X-.30X=18-12 \n" ); document.write( ".40X=6 \n" ); document.write( "X=6/.4 \n" ); document.write( "X=15 OZ. OF 70% SILVER IS USED. \n" ); document.write( "PROOF: \n" ); document.write( ".70*15+.20*60=.30(60+15) \n" ); document.write( "10.5+12=.30*75 \n" ); document.write( "22.5=22.5 \n" ); document.write( " \n" ); document.write( " |