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Algebra

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Jill has $3.50 in nickels and dimes. If she has 50 coins, how many of each type does she have

  • Algebra -

    5 N + 10 D = 350
    N + D = 50

    Solve that pair of equations for N and D, the number of nickels and dimes.

  • Algebra -

    10,11 and 12

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