SOLUTION: A new sidewalk will be 4 feet​ wide, 140 feet​ long, and filled to a depth of 3 inches ​(0.25 ​foot) with concrete. How many cubic yards of concrete are&#82

Algebra ->  Conversion and Units of Measurement -> SOLUTION: A new sidewalk will be 4 feet​ wide, 140 feet​ long, and filled to a depth of 3 inches ​(0.25 ​foot) with concrete. How many cubic yards of concrete are&#82      Log On


   

Question 1092095: A new sidewalk will be 4 feet​ wide, 140 feet​ long, and filled to a depth of 3 inches ​(0.25 ​foot) with concrete. How many cubic yards of concrete are​ needed?
Found 2 solutions by Fombitz, ikleyn:
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
V=4%2A140%2A.25=140ft%5E3
There are 27 cubic feet in a cubic yard so,
V=140%2A%281%2F9%29ft%5E3%2A%28yd%5E3%2Fft%5E3%29
V=140%2F27yd%5E3

Answer by ikleyn(52798) About Me  (Show Source):
You can put this solution on YOUR website!
.
There are 27 cubic feet in one cubic yard.

27 = 3%5E3.