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11 March, 03:52

sarah is making a dessert that calls for 3 1/4 of crushed cookies. if she has already crushed 3/4, how much more does she need?

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Answers (2)
  1. 11 March, 05:25
    0
    Your anwere is

    Step-by-step ex planation:/

    2 1/2 cups because 3/4 subtracted from 3 1/4 cup is 2 1/2 cups of crushed cookies stiil needed
  2. 11 March, 07:17
    0
    The answer is 5/2.

    Step-by-step explanation:

    1) conversion a mixed number to a improper fraction: 3 1/4 = 3•4+1 / 4 = 13/4.

    2) subtract. 13/4 - 3/4 = 13-3/4 = 10/4 = 5/2.
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