Current US quarters are made of a "sandwich" consisting of a pure copper core clad on both sides with a layer of cupronickel alloy (25% nickel and 75% copper). Overall, copper makes up about 92% of the coin by weight.
Current Canadian quarters are made of an alloy of 94% steel and 3% copper, plated with nickel.
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A quarter plus a quarter is a half. In U.S. coins, two quarters equals 50 cents.
Quarter to 10.
who invented the quarter
quarter
A quarter (not quarter) of forty eight (not forty eight) is twelve.