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11 May, 20:34

Peggy had 4 times as many quarters as nickels. She had $2.10 in all. How many nickes and how many qurters did she have?

If the variable n represent the number, then which the following expressions represent the number of quarters?

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  1. 11 May, 20:48
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    A) 4*N - Q = 0

    B).05N +.25Q = 2.10

    Multiply B) by 4

    B).2N + Q = 8.40 Adding this to A)

    A) 4*N - Q = 0

    4.2N = 8.40

    N = 2 Nickels

    Q = 8 Quarters
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