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March 27, 2017

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sara spent $64 on books and towels. she bought three times as many books as towels. how many of each did she buy?

*every item is $8

  • math - ,

    b = numbers of books

    t = numbers od towels


    b = 3 t


    Total price :

    ( b + t ) * 8 = 64

    ( 3 t + t ) * 8 = 64

    4 t * 8 = 64

    32 t = 64 Divide both sides by 32

    t = 64 / 32 = 2


    2 towels


    b = 3 t

    b = 3 * 2 = 6


    6 books


    2 * 8 $ + 6 * 8 $ =

    16 $ + 48 $ = 64 $

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