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anonymous

  • one year ago

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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  1. pooja195
    • one year ago
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    since we are trying to figure out the number of quarters we need to cancel out the $ (d) -0.1(q + d=19) 0.25q + 0.1d=4 Opposites cancel -0.1q -0.1 d=1.9 0.25q + 0.1d=4

  2. pooja195
    • one year ago
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    Can you finish from here?

  3. anonymous
    • one year ago
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    no i cant

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