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30 December, 09:00

Mr. furley has 27 coins that are all dimes and quarters. the value of the coins is 4.35. how many dimes and how many quarters does mr. furley have

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  1. 30 December, 09:15
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    A) d + q = 27

    B).10d +.25q = 4.35

    Multiplying equation A by -.1

    -.1d -.1q = - 2.7 then adding it to equation B

    .1 d +.25q = 4.35 equals

    .15q = 1.65

    The number of quarters = 11

    putting 11 quarters into equation A

    d + 11 = 27

    dimes = 16
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