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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 biography?

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Answer:

Fantasy 40     biography 15

Step-by-step explanation:

2/3  =8/12  =  40/60

1/4 = 3/12 = 15/60

           

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