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1 January, 23:52

In a class book order, 2/3 of the books are fantasy and 1/4 of the books are biography. if the order contains 60 books, how many books are either fantasy or bio?

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  1. 2 January, 00:00
    0
    So we know that 2/3=fantasy

    1/4=bio

    so bio+fantasy=2/3+1/4

    2/3 times 4/4=8/12

    1/4 times 3/3=3/12

    2/3+1/4=8/12+3/12=11/12

    11/12 of 60 are bio or fantassy

    mltiply

    11/12 times 60=660/12=55

    answer is 55
  2. 2 January, 00:13
    0
    55 of the books are either fantasy or bio
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