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13 August, 14:32

Lynn has $8.58 in quarters and pennies. If she has eight time as many pennies as quarters, how many of each does she have?

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  1. 13 August, 16:22
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    0.25Q +.01P = 8.58

    P=8Q

    0.25Q +.01 (8Q) = 8.58

    0.25Q +.08Q = 8.58

    0.33Q=8.58

    Q=26

    P=8 (26) = 208

    26 quarters and 208 pennies.

    0.25 (26) +.01 (208) = 6.5 + 2.08 = 8.58
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