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20 April, 05:14

There are 18 fish in a 1 ft x 4 ft x 7 ft fish tank. What is the population density in the fish tank?

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Answers (2)
  1. 20 April, 06:20
    0
    Find the volume of the tank:

    Volume = 1 x 4 x7 = 28 cubic feet.

    Divide number of fish by volume:

    18/28 = 9/14 fish per cubic foot.
  2. 20 April, 07:28
    0
    0.643 fish / cubic foot to the nearest thousandth.

    Step-by-step explanation:

    The volume of the tank = 1 * 4 * 7

    = 28 ft^3.

    The population density = the number of fish / the volume of the water

    = 18/28

    = 0.643.
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