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The Jaspers collect nickels, dimes, and quarters in a jar. When they count the change in the jar, there are twice as many nickels as there are quarters. If there is $15.30 in dimes and $74.80 in all, how many quarters are there. Please include an equation and steps.

  • Math - ,

    N = 2Q

    74.80 - 15.30 = 59.50

    .05N + .25Q = .05(2Q) + .25Q = 59.50

    Solve for Q.

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