A railway cut 200 feet long and 30 feet wide. at the bottom is made with sloping sides, which are 80 feet and 60 feet in length. the 80 feet side is inclined 30 degrees to the horizontal. find the cost of removing the earth if the trucks have a capacity of 4 cubic yards.

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Answers

2016-05-05T23:53:21+08:00

(56.6+30)/2=43.3 feet.each section is 200 feet long


multiply by 2 to go get cost =$13,633


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