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31 May, 22:18

The course fee per child of a summer camp varies inversely as the number of participating children. If there are 50 children participating in the camp, the course fee is $372 per child. Identify the course fee per child, if 75 children join the camp.

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  1. 31 May, 22:41
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    The cost per child = $248

    Step-by-step explanation:

    ∵ The cost per child ∝ 1/number of children

    ∴ C. C = K/N. C ⇒ (K is a constant)

    ∵ C. C = $372, N. C = 50

    ∴ 372 = K/50

    ∴ K = 372 * 50 = 18600

    ∴ C. C = 18600/N. C

    ∵ N. C = 75

    ∴ C. C = 18600/75 = $248
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