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2 September, 22:49

Y and x have a proportional relationship, and y = 12 when x = 5. What is the value of y when x = 8?

Enter your answer in the box.

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Answers (2)
  1. 3 September, 00:02
    0
    Y = kx < - - direct variation

    Step 1: find k by plugging in given x and y and then solving.

    12 = 5k

    12/5 = k

    2.4 = k

    Step 2: plug in given x and k to find the missing y

    y = 2.4 * 8

    y = 19.2
  2. 3 September, 01:22
    0
    19.2 is the ancewer

    ...
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