Mathematics

Question

A health department estimates that it needs 4 vials of malaria serum to treat 50 people. How many vials are required to treat 875 people?

1 Answer

  • Answer:

    70 vials

    Step-by-step explanation:

    Assuming the proportion holds, ...

    ... vials/people = x/875 = 4/50

    Multiplying by 875, we get

    ... x = 875ยท4/50 = 70

    70 vials are neede to treat 875 people.

    _____

    If the vials only come in packages of 4, then 72 vials (18 packages) are needed

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