document.write( "Question 840617: U.S. five-cent coins are made from a combination of two metals: nickel and copper. For every 1 pound of nickel, 3 lb of copper are used. How many pounds of copper would be needed to make 560 lb of five-cent coins? \n" ); document.write( "
Algebra.Com's Answer #506375 by josgarithmetic(39620)![]() ![]() ![]() You can put this solution on YOUR website! The 560 pounds is cut into four parts. Each of these is \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "140 pounds of nickel \n" ); document.write( "140*3=420 pounds copper \n" ); document.write( " |