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clara1223

  • one year ago

Thomas collects dimes and quarters in his change jar. If he has 6 more dimes than quarters, and the total amount of money in the jar is $30.00, find the number of each type of coin in the jar.

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  1. dumbcow
    • one year ago
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    set up 2 equations --> 0.1d + 0.25q = 30 --> d = q + 6 use substitution ( replace d with "q+6") ---> 0.1(q+6) + 0.25q = 30 multiply equation by 100 to get rid of decimals 10(q+6) + 25q = 3000 can you solve for q?

  2. clara1223
    • one year ago
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    @dumbcow yes I can! thanks.

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