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Mathematics, 30.03.2020 04:55 gedntrxAa

Kat has 19 coins, all quarters and dimes, that are worth a total of $4. The system of equations that can be used to find the number of quarters, q, and the number of dimes, d, she has is shown.

q + d = 19 How many quarters does she have?
0.25q + 0.1d = 4

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Kat has 19 coins, all quarters and dimes, that are worth a total of $4. The system of equations that...
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