You want to put a 2 inch thick layer of topsoil for a new 27 ft by 32 ft garden. the dirt store sells by the cubic yards. how many cubic yards will you need to order? the store only sells in increments of 1/4 cubic yards.
First, let's determine the volume of the layer of topsoil. That would be equal to the product of the dimensions of the garden, times the height of the layer of soil. To maintain consistency of units, 2 inches is equal to 1/6 ft
Volume = (27 ft)(32 ft)(1/6 ft) = 144 ft³
Also, 1 yard is equal to 3 feet. So, the equivalent volume in cubic yards is