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21 March, 20:41

If y varies inversely as x and y = 40 when x = 5, then the constant is

a. 1/8

b. 200

c. 8

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Answers (1)
  1. 21 March, 21:06
    0
    The answer is b. 200

    If y varies inversely as x, then: y = c/x

    We know:

    y = 40

    x = 5

    y = c/x

    c = y * x

    c = 40 * 5

    c = 200
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