SOLUTION: 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 t

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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?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
The 560 pounds is cut into four parts. Each of these is 560%2F4=140 pounds.

140 pounds of nickel
140*3=420 pounds copper