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11 September, 12:19

Kate has a coin collection. She keeps 7 of the coins in her box, which is only 5% of her entire collection. What is the total number of coins in Kate's coin collection?

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  1. 11 September, 12:35
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    140 coins

    Step-by-step explanation:

    To calculate the total number of coins Kate have in her collection, we can use the rule of three:

    The problem says that 7 of her coins are equivalent of 5% of her entire collection, and we want to know the total number of coins (100%) of her collection. So, if 7 coins are 5%, how much coins are 100%:

    7 - > 5%

    X - > 100%

    7/X = 5/100

    X = 100*7/5 = 140 coins
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