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27 January, 15:42

Solve the proportion.

3x / 10 = 9 / 4

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Answers (1)
  1. 27 January, 17:06
    0
    x = 7.5

    Step-by-step explanation:

    We can use cross products to solve

    3x / 10 = 9 / 4

    3x*4 = 10*9

    12x = 90

    Divide each side by 12

    12x/12 = 90/12

    x = 7.5
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