70 feet! The answer is in the question!
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81
if the board is 8 inches width by 8 foot long by 2 inches thick at $5.50 per linear board what is the price per board?
one (1) cubic yard of concrete four inches thick will cover 80 sq. feet. 85 yards x 81 = 6885 sq. feet.
How many square yards in a 20x18 feet 3 inches thick
Concrete driveways are no less than 3.5 inches to 4.5 inches.
4 To 6 inches
90 sq yds at 4" thick.
should be at lest 4 inches
About 162sf.
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10 yards
if the board is 8 inches width by 8 foot long by 2 inches thick at $5.50 per linear board what is the price per board?
7.1
If it is 4 inches deep/thick, 2 cubic yards. If it is 6 inches deep/thick, 3 cubic yards.
6.67 Cubic Yards