A box has length 4 feet, width 5 feet, and height 8 inches. Find the volume of the box in cubic feet and in cubic inches.

Question

A box has length 4 feet, width 5 feet, and height 8 inches. Find the volume of the box in cubic feet and in cubic inches.

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Huyền Thanh 5 months 2021-08-09T15:35:12+00:00 2 Answers 45 views 0

Answers ( )

    0
    2021-08-09T15:36:21+00:00

    Answer:

    13.4 cubic feet and 23040 inches

    Step-by-step explanation:

    0
    2021-08-09T15:36:56+00:00

    Answer:

    In cubic feet =  13.3 ft^3 ………..or 13.33ft^3

    In cubic inches = 23040in^3

    Step-by-step explanation:

    In cubic feet it becomes

    4(5) = 20 feet ^2   …………….but we need volume in feet

    so 8 inches = ………….2/3 of a foot = 0.666667

    Answer therefore is   (4) x (5) x (0.666667) = 13.32ft^3

    In cubic inches it becomes

    4 x 12 = 48 inches

    5  x 12  = 60 inches

    and 8 inches

    48 x 60 x 8 = 23040 in^3

    We check by squaring the divider

    23040/12^3 = 13.333

    We only square and square again to find a cube but to square once we do this with area too.

    Area 1. =  4 x 5 = 20 feet^2

    Area 2. =  48 x 60 = 2880 in ^2  / 12^2 = 20

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