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which 1 of the following is a true proprotion A. 7:9=8:9 B.2:1=1:2 C.54:9=6:3 od D.3:4=9:12 please answer

  • math -

    Take your answer choices one at a time.

    7/9 of course cannot equal 8/9

    2/1 is not 1/2

    Of the last two choices, which do you think is a true proportion?

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