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Math

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Jessica has 9 more nickels than dimes, and the total value of her coins is 1.50. How many nickels does she have. Write the best equation.

  • Math -

    d = n-9

    5 n + 10 d = 150 cents

    5 n + 10(n-9) = 150

    15 n -90 = 150

    15 n = 240

    n = 16

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