Mathematics, 04.12.2020 05:00 honeytrail429
alfred has twelve coins in his piggy bank. some of the coins are quarters, some are nickels, and he has a total of $3.15. which system of equations can be used to determine how many quarters, x, and how many nickels, y, he has
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alfred has twelve coins in his piggy bank. some of the coins are quarters, some are nickels, and he...
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