Mathematics, 25.09.2021 02:40, dval8258

A U. S. dollar bill remains in circulation about 1 1/4years. A U. S. coin is in circulation about 22 1/2times longer. About how long is a coin in circulation?

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A U. S. dollar bill remains in circulation about 1 1/4years. A U. S. coin is in circulation about 22...