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26 December, 16:35

If a drug has a concentration of 350 mg per 10 mL, how many milliliters are needed to deliver 2 grams of the drug? Express your answer rounded to the nearest milliliter.

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  1. 26 December, 20:08
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    1 mg = 0.001 grams

    so 350 mg = (350 * 0.001) = 0.35 grams

    0.35 / 10 = 2/x ... 0.35 grams to 10 mL = 2 grams to x mL

    cross multiply

    0.35 (x) = (10) (2)

    0.35x = 20

    x = 20/0.35

    x = 57.142 rounds to 57 mL <===
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