Refer to the Diagram; The wall form shown is 20 ft. long. How many boards will it take to construct the whales with a 10% waste? The whalers are 2 x 4 x 8.

Refer to the Diagram; The wall form shown is 20 ft. long. How many boards will it take to construct the whales with a 10% waste? The whalers are 2 x 4 x 8.