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12 August, 17:05

Set up the following word problem as a proportion and solve. Then write your answer as a complete sentence.

A health department estimates that 8 vials of malaria serum will treat 100 people. At this rate, how many vials are required to treat 175 people?

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  1. 12 August, 18:36
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    8/100 = x/175

    cross multiply

    (100) (x) = (8) (175)

    100x = 1400

    x = 1400/100

    x = 14 ... so 14 vials will treat 175 people
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