math
posted by Jimmy .
A concrete sidewalk 3 feet wide, 18 feet long, and 4 inches thick contains how many cubic feet of concrete?

216 cubic feet

volume = lwh
= 18(3)(1/3)
= 18 cubic feet 
TO ANONYMOUS
Be careful it's 4 inches not 4 feet. 
(18)(3)(12)(4) = 2592 cubic inches
2592/12 = 216 cubic feet
(You can check if you want, I did it myself so just use a calculator or something) 
3 feet * 18 feet= 54 feet. 4 inches = 1/3 feet....
54 feet* 1/3 feet = 18 cubic feet of concrete!
Respond to this Question
Similar Questions

math
Estimate the cost of the concrete requred to make a concrete sidewalk shaped as follows. (The sidewalk covers 1/4 of the outer perimeter of a circle  from 3:00 to 6:00. The radius from the center of the circle to the outside perimeter … 
Math
A company charges $42 per cubic yard of concrete. How much will it cost to pour a sidewalk that is 45 inches wide, 70 feet long, and 4 inches deep? 
math
A rectangular slab of concrete is cut from a large block. The slab measures 10.4 inches thick, 1.8 feet long, and 0.0021 miles wide. Find its volume in cubic feet. 
math, physics
A. A rectangular slab of concrete is cut from a large block. The slab measures 10.4 inches thick, 1.8 feet long, and 0.0021 miles wide. Find its volume in cubic feet. 
Geometry
concrete costs 105 per cubic yard. plato is making a rectangular concrete garage floor measuring 33 feet wide by 6 inches thick. how much will the concrete cost? 
math
The concrete for a sidewalk is being poured outside the perimeter of a new subdivision, which is a 280 ft. by 720 ft. rectangle. The building code requires that the sidewalk be 5 feet wide and 8 inches deep. How many cubic yards of … 
Math
1. Of the bundles delivered daily to the store, 1/3 consists of the morning edition of The Daily Sun. Another 2 bundles are made up of the afternoon edition of the same paper. Of the remaining bundles, 1/2 is regional, one is a local … 
MAT 142
What is the cost of concrete for a walkway that is 15 feet long, 8 feet wide and 9 inches deep if the concrete costs $30 per cubic yard? 
Math
The concrete for a sidewalk is being poured outside the perimeter of a new subdivision, which is a 280 ft. by 720 ft. rectangle. The building code requires that the sidewalk be 5 feet wide and 8 inches deep. How many cubic yards of … 
math
a new sidewalk will be 6 feet wide 160 feet long and filled to a depth of 9 inches 0.75 foot with concrete, ow many yards of concrete are needed?