Wood for a fireplace is often sold by the cord. A cord is 8 ft by 4 ft by 4 ft. How many cubic feet are in a cord of wood?

Question

Wood for a fireplace is often sold by the cord.  A cord is 8 ft by 4 ft by 4 ft.  How many cubic feet are in a cord of wood?

mendicant_bias · Answer

Okay. So a cubic foot is simply 1 foot by 1 foot by 1 foot, or ft^3. 

You can find out the number of cubic feet by multiplying all of the given dimensions by one another to give you volume, because the typical formula for cubes or rectangular prisms for Volume is such:
$$v = l*w*h$$
So, for this:$$V = 8*4*4 = ?$$
Does this help?

mendicant_bias · Answer

And this makes sense in terms of units, because you have $$(8 ft.)(4 ft.)(4 ft.) = (32ft.^{2})(4ft.) = 128 ft.^{3}$$

anonymous · Answer

yes thanks

mendicant_bias · Answer

You're welcome.