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8 December, 18:17

Arwen uses a dropper that produces drops that have a volume of 1/8-milliliter to fill a 30-milliliter test tube. How many drops does it take to fill the test tube?

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  1. 8 December, 21:52
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    It takes 240 drops to fill the test tube

    Step-by-step explanation:

    Dropper produces 1/8 milliliter per drop

    1 drop=1/8 milliliter

    Consider the expression below;

    Total volume to be filled=Volume of 1 drop*Number of drops

    Where;

    Total volume to be filled=30 milliliter

    Volume of 1 drop=1/8 milliliter

    Number of drops=N

    Replacing in the expression above

    30 = (1/8) * N

    N = (30*8) = 240 drops
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