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8 November, 14:57

An aquarium holds 33.75 gallons of water. it has a length of 2 feet and a height of 1.5 feet. What is the volume of the aquarium?

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  1. 8 November, 17:13
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    Assuming that the aquarium is rectangular, the formula to work out the volume would be

    V = L x H x D

    Considering that 1 gallon = 231 inches³

    Multiply both by 33.75 to get the total number of inches³ (volume)

    231 x 33.75 = 7796.25 inches³

    If you also want the depth, read on ...

    Also, there are 12 inches in one foot

    Length = 2 x 12 = 24 inches

    Height = 1.5 x 12 = 18 inches

    Now we can fill in the information we know

    7796.25 = 24 x 18 x D

    To work out D, we divide the volume by the values we know

    7796.25 / 18 = 433.125

    433.125 / 24 = 18.046875 inches

    18.046875 / 12 = 1.50390625 feet

    To the nearest 2d. p. ≈ 1.5 feet
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