SOLUTION: 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?

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Question 949458: 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?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
L=length; W=width; D=depth
Convert depth to feet: (9 in)(1ft/12 in)=0.75 ft
Volume =L*W*D=15 ft*8 ft*(0.75 ft)=90 cu ft
(90 cu ft)(1 cu yd/27 cu ft)($30/cu yd)=$100
ANSWER The cost of the concrete would be $100.