Contemporary Math

Question

You want to put a 5 inch thick layer of topsoil for a new 23 ft by 27 ft garden. The dirt store sells by the cubic yard. How many cubic yards will you need to order?

You need to order  cubic yards of topsoil.

Answer 1

V = (23')(27')(5'/12)

V = 258.75 ft³

1 yd³ = 27 ft³

258.75 ft³ / 27 ft³ ≈ 9.58