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Audrey
Audrey asked in Science & MathematicsMathematics · 3 months ago

Will someone check my work? I got 3179.17 cubic feet?

A new sidewalk will be 3.5 feet wide, 545 feet long, and filled to a depth of 5 inches with concrete.

Answer the questions. Show clear work for full credit and include units in both your work and answer.

2 Answers

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  • billrussell42
    Lv 7
    3 months ago
    Favorite Answer

    3.5 feet x 545 feet x 5 inches x 1 ft/12 in = 795 cu ft

    always include units as a check. as you can see they combine to ft•ft•ft or cu ft

  • nyphdinmd
    Lv 7
    3 months ago

    V= w*l*d = 3.5 * 545 * (5/12) ft^3 = 794.7 ft^3

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