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23 July, 23:19

Proportions - Determine if each pair of ratios forms a proportion. Show all work!

10.2/4 = h/12

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  1. 23 July, 23:42
    0
    10.2/4=h/12

    10.2*12=4*h (cross multiply)

    122.4=4h

    30.6=h

    The ratio is 2.55:1
  2. 24 July, 00:32
    0
    you do cross-multiply:

    10.2 (12) = 122.4

    4 (h) = 4h

    4h=122.4

    h=30.6

    if h is 30.6, it will be proportional
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