A U.S. quarter coin is made of a metal alloy and nickel in the following ratio: 46:4. Its mass is 5.6 grams. How many grams of each element are in a quarter?

Question

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Answer 1

If the mass were divided into 50 parts (46 + 4), 46 would be nickel and 4 would be allow

5.6 / 50 = 0.112

nickel = 46(0.112)

alloy = 4(0.112)