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12 September, 20:31

pencils come in packets of 10 and erasers come in packets of 12. how may packets am i gonna need to get the same number of pencils and erasers

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  1. 12 September, 20:54
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    Factors:

    10 = 5*2

    12 = 2*2*3

    Least common multiple: 2*2*3*5

    =60

    you will need 6*10 = 60 or 6 packets of pencils

    and 5*12 = 60 and 5 packets of erasers
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