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2 March, 18:33

A packing operator can assemble 4 cardboard boxes in 5 minutes. At this rate, how many boxes can she assemble in 25 minutes?

A. 20

B. 12

C. 24

D. 28

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Answers (2)
  1. 2 March, 21:21
    0
    She can assemble 20 boxes.

    Step-by-step explanation:

    1. Create a table

    # of Boxes Time

    4 = > 5 min

    x = > 25 min

    2. Use the table to cross multiply.

    5 · x = 4 · 25

    5x = 100

    5x/5 = 100/5

    x = 20
  2. 2 March, 22:29
    0
    A. 20

    Step-by-step explanation:

    look at this step:

    4 : 5 = X : 25

    X = 4*25/5 = 100/5 = 20
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