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1 April, 20:03

leandra has 40 coins that total 7.15 all of her coins are dimes, d, and quarters, q, which system of equations models this situation?

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  1. 1 April, 20:05
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    40 = d+q

    7.15=0.10d+0.25q

    there are 19 dimes and 21 quarters.
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