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20 May, 09:05

If y = 12 when x = - 15 find y when x = 2

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Answers (2)
  1. 20 May, 09:12
    0
    To find y, when x = 2

    we set up another ratio y/2

    By the definition both ratios are equal 12/-15 = y/2

    Multiple to each side by 2.

    12*2/-15 = 2y/2

    8/-5 = y

    y = - 8/5
  2. 20 May, 11:00
    0
    With the information given

    on a scale of (12/-15) or - 0.8. Meaning y is - 8 tenths of x

    so - 0.8x2 = - 1.6

    Answer: y = - 1.6
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