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4 March, 10:18

You are having a family-barbeque. in attendance are a grandfather, a grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one father-in-law, one mother-in-law and one daughter-in-law. if every person is eating two burgers, what's the minimum amount of burgers you will need?

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  1. 4 March, 10:24
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    Grandmother ... 1

    grandfather ... 1

    2 fathers ... 2

    2 mothers ... 2

    4 kids ... 4

    3 grandchildren ... 3

    1 brother ... 1

    2 sisters ... 2

    2 sons ... 2

    2 daughters ... 2

    1 father in law ... 1

    1 mother in law ... 1

    1 daughter in law ... 1

    23 people in total ... 2 burgers a piece ... 23 x 2 = 46 burgers minimum
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