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20 November, 04:00

You are putting a rectangular hot tub on your back porch. It is 6 feet long, 5 feet wide, and 3 feet deep

a) How many cubic feet can the hot tub hold if it is completely full?

b) How many gallons can it hold? (1 cubic foot = 7.418 gallons)

c) How much will it cost to fill the hot tub if water costs $5 per 1000 gallons?

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Answers (2)
  1. 20 November, 07:27
    0
    Step-by-step explanation:

    The formula for determining the volume of a cuboid is expressed as

    Volume = L * W * H

    The rectangular hot tub is 6 feet long, 5 feet wide, and 3 feet deep. This means that

    a) The number of cubic feet that the hot tub hold if it is completely full would be

    5 * 6 * 3 = 90 ft^3

    b) if 1 cubic foot = 7.418 gallons, then it means the number of gallons that it can hold would be

    90 * 7.418 = 667.62 gallons

    c) if water costs $5 per 1000 gallons, then the cost of filling the hot tub would be

    (5 * 667.62) / 1000 = 3338.1/1000

    = $3.3381
  2. 20 November, 07:29
    0
    a) 90 cubic foot

    b) 90 cubic foot = 667.62 gallons

    c) $3.3381

    Step-by-step explanation:

    a)

    volume of rectangular hot tub

    = 6*5*3

    = 90 cubic foot

    b)

    1 cubic foot = 7.418 gallons

    90 * 1 cubic foot = 90 * 7.418 gallons

    90 cubic foot = 667.62 gallons

    c)

    $5 = 1000 gallons

    ($5 / 1000) = (1000 / 1000) gallons

    .005 * 667.62 = 1 * 667.62 gallons

    $3.3381 = 667.62 gallons
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