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11 February, 01:06

Jacob used 1/7 of a liter of water to fill 1/9 of the fish aquarium. How many liters of water are needed to fill the aquarium?

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  1. 11 February, 03:57
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    Jacob used 1/7 of a liter of water.

    He needs to fill 1/9 of the fish aquarium.

    Find how many liters would Jacob need to fill the aquarium

    => Let x = liters of water need to fill the aquarium

    => x/1 = 1/7 divided by 1/9

    => x = 1/7 x 9/1

    => x = 9/7, since this is an improper fraction, let’s convert it to mixed fraction

    => x = 1 and 2/7

    So, Jacob need 1 and 2/7 liter of water to fill the whole aquarium.
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