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9 October, 15:12

A coin is 7/8 copper and 1/8 nickel. It weighs 8 1/2 grams. How many grams of nickel are in the coin?

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  1. 9 October, 17:04
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    1 1/16 grams

    Step-by-step explanation:

    ; Since you are given the ratios already

    ; You first turn the total mass of the coin into a mixed fraction ..., 17/2

    Then the mass of nickel in the coin ...,

    ; 1/8 * 17/2 = 17/16

    ; Mass of nickel in the coin = 1 1/16 grams
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