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8 May, 18:46

A new health drink has 180 % of the recommended daily allowance (RDA) for a certain vitamin. The RDA for this vitamin is 50 mg. How many milligrams of the vitamin are in the drink?

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  1. 8 May, 20:10
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    90 mg

    Step-by-step explanation:

    1 rda = 100% = 50 mg

    180% = x

    100/180 = 50 / x Cross multiply

    100x = 180 * 50

    100x = 9000 mg Divide both sides by 100

    100x/100 = 9000/100

    x = 90

    The drink contains 90 mg
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