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31 July, 13:26

Which cost the least per kilogram. $4 for 1.5, $5 for 2.0, $7 for 2.5, $8 for 3.5?

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Answers (2)
  1. 31 July, 14:29
    0
    Divide each cost by their quantity to get the cost per kilogram and then compare.

    4:1.5

    5:2.0

    7:2.5

    8:3.5
  2. 31 July, 16:44
    0
    7 or 2.5 is the answer to the problem
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