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10 March, 10:55

Deana had 3 times as many books as hilary, if they had 60 books altogether, how many books did Deana have?

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  1. 10 March, 11:49
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    X=# of Hillary's books. Deanna has 3x. together they have 60

    x+3x=60

    4x=60

    x=15

    Deanna has 3*15 or 45 books
  2. 10 March, 12:49
    0
    Hilary has x books.

    Deana has 3x books.

    Altogether (x+3x) books.

    3x+x = 60

    4x = 60

    x = 15

    Deana has 3x = 3*15 = 45

    Answer: Deana has 45 books.
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