Question

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

Answer 1

\[V = l \times w \times h\]

in this question you have

\[72 = 12 \times 8 \times h\]

\[h = \frac{72}{96}\]

I'll let you evaluate th height...

it will be a decimal... and the meaurement is feet