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6 November, 13:06

A cylindrical oil tank 8 ft deep holds 620 gallons when filled to capacity. How many gallons remain in the tank when the depth of oil is 3 and one half ft.

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Answers (2)
  1. 6 November, 13:19
    0
    271.25

    Step-by-step explanation:

    8=620

    3 1/2=x

    620*7/2=8x

    2170=8x

    x=2170/8

    x=271.25
  2. 6 November, 13:34
    0
    271.25 gal

    Step-by-step explanation:

    Assuming the tank is oriented so that the quantity of oil is proportional to depth, the amount remaining is ...

    (3 1/2 ft) / (8 ft) * (620 gal) = 271 1/4 gal
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