Mathematics, 02.05.2021 18:40 shirleybuck

In a certain piggy bank there are only nickels and quarters. Their combined value is $13.80 and their combined weight is one pound. Ninety nickels weigh one pound. Eighty quarters weigh one pound. How many nickels are there in the piggy bank?

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In a certain piggy bank there are only nickels and quarters. Their combined value is $13.80 and thei...

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