Friday
April 25, 2014

Homework Help: Math

Posted by Crystal on Sunday, February 7, 2010 at 2:16pm.

An engineer’s plan shows a canal with a trapezoidal cross section that is 8 ft deep and 14 ft across at the bottom with walls sloping outward at an angle of 45°. The canal is 620 ft long. A contractor bidding on the job estimates the cost to excavate the canal at $175/yd3. If the contractor adds 10% profit, what should the bid be?

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