Mathematics

Rachel Clark

3 February, 22:27

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 0.25q + 0.1d = 4 How many quarters does she have? 4 5 14 15

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