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27 September, 01:57

A bag containing some widgets weighing 81 kg. when 2 of the widgets are removed, the weight of the bag drops to 73kg. the bag wieghs 1 kg when empty. how many widgets are left in the bag after the 2 were removed

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  1. 27 September, 04:05
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    First I find the individual widget weight

    81 - 73 = 2x

    8 = 2x

    x = 4

    Then I find how many widgets were left

    73 - 1 = 4y

    72 = 4y

    18 = y

    Y is the amount of widgets left, therefore the amount left is 18
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