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12 September, 21:55

1)

Danny has a coin collection. 20% of his collection are quarters. If Danny has 13 quarters, how many coins does he have in his collection altogether?

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  1. 12 September, 22:23
    0
    65 total

    Step-by-step explanation:

    Total coins = Quarter + Etc.

    We know: 20% * (Total Coins) = Quarters

    and Quarters = 13

    20% * (Total Coins) = 13

    Total Coins = 13 / 20% = 13 / 0.2 = 65
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