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Posted by on Tuesday, March 15, 2011 at 10:04am.

The volume of a rectangular slab of concrete needs to exceed 72cu.ft. If the length is 12ft. and he width is 8ft. How thick does the concrete slab need to be?

  • Math - , Tuesday, March 15, 2011 at 10:22am

    Volume of a slab
    We have then
    Volume = 12*8*height >72
    Solve for height

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