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Mathematics, 31.03.2021 04:10 stodd9503

David's piggy bank has 236 coins. 20 of them are nickels and the rest are dimes and quarters. If there is a total of $30.70, how many of his coins are quarters?

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David's piggy bank has 236 coins. 20 of them are nickels and the rest are dimes and quarters. If the...
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