SOLUTION: You want to put a 3 inch thick layer of topsoil for a new 31 ft by 30 ft garden. The dirt store sells by the cubic yards. How many cubic yards will you need to order? The store onl

Algebra ->  Probability-and-statistics -> SOLUTION: You want to put a 3 inch thick layer of topsoil for a new 31 ft by 30 ft garden. The dirt store sells by the cubic yards. How many cubic yards will you need to order? The store onl      Log On


   



Question 1184712: You want to put a 3 inch thick layer of topsoil for a new 31 ft by 30 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.
Answer by josgarithmetic(39621) About Me  (Show Source):
You can put this solution on YOUR website!
RULE: 1 yard = 3 feet
RULE: 1 foot = 12 inches

Volume of the needed topsoil
31%2A30%2A%283%2F12%29%2Aft%5E3

232.5cubicfeet


Volume of topsoil as cubic yards
232.5%2Afeet%2Afeet%2Afeet%2A%281%2F3%29%281%2F3%29%281%2F3%29%28yard%2Ffeet%29%5E3

232.5%2F27cubic_yards

8.61cubic_yards

and you can finish and decide .... may need to round UP.