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16 October, 17:20

At a camp, the directors advertise that they have 3 counselors for every 20 campers. If the camp expects 120 campers, how many counselors should they hire?

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  1. 16 October, 18:08
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    Turn it into a ratio.

    The beginning ratio is 3:20, because there are 3 counselors for every 20 campers.

    Then, you do x:120, x representing the number of counselors.

    You have to multipy 20 by 6 to get 120, so you multiply 3 by 6 to get x.

    Therefore, there are 18 counselors if there are 120 campers.
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