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29 October, 01:27

Emily said that 12 divided by 2/5 can be solved by doing 12 times 5 then divide by 2. Sarah said it can be solved by doing 12 times 2 and then dividing by 5. Sam said it can be solved by doing 12 times 5 then times 1/2. Who is correct? why? prove it.

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Answers (2)
  1. 29 October, 03:10
    0
    Emily and Sam are correct

    Step-by-step explanation:

    12 : 2/5

    12 * 5/2

    60/2

    30

    Emily is correct

    12 : 2/5

    12 * 5/2

    60/2

    ½ (60)

    30

    Sam is correct
  2. 29 October, 04:43
    0
    see below

    Step-by-step explanation:

    12 : (2/5)

    Copy dot lip

    12 * 5/2 = 60/2 = 30

    12 * 5 * 1/2 = 60 * 1/2 = 30

    Emily and Sam are correct

    Sarah:

    12*2 = 24/5 = 4.8 which is not 30
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