174 FARM ARITHMETIC. 



614. How many feet (B. M.) in the following bill of 

 rough timber? 



300 lineal feet bridging, 1x2 inches 

 1,440 square feet loft boards and 

 2,000 square feet roof boards? 



615. At $28 per M, how much did this lumber cost ? 



Building a Barn. 



For the barn shown in the cut on page 173 the follow- 

 ing bill of materials is required : 

 Heavy timbers : 



27 pieces 2 in. x 10 in. x 12 ft. 



3 pieces 2 in. x 10 in. x 18 ft. 



6 pieces 2 in. x 10 in. x 6 ft. 



6 pieces 2 in. x 8 in. x 23 ft. 



46 pieces 2 in. x 8 in. x 20 ft. 



8 pieces 2 in. x 8 in. x 18 ft. 



6 pieces 2 in. x 8 in. x 16 ft. 



22 pieces 2 in. x 8 in. x 12 ft. 



170 pieces 2 in. x 8 in. x 10 ft. 



30 pieces 2 in. x 8 in. x 8 ft. 



16 pieces 2 in. x 6 in. x 22 ft. 



Siding and facing: 



3,600 square feet of siding. 

 186 square feet facing, % x 5 inches. 



616. How many feet (B. M.) does this part of the 

 bill of materials include? 



617. At $30 per M how much did this lumber cost ? 



618. There were 16,000 shingles for the roof at $4.75 

 per M ; 100 pounds of 60d spikes, 100 pounds 40d spikes, 

 300 pounds 20d spikes, 100 pounds 8d nails, 70 pounds 

 4d nails, all of which are purchased at a cost of 5 cents 

 per pound. What will these materials cost ? 



619. There were also used two tracks 20 feet long at 

 10 cents per foot ; two pair hangers at 75 cents each ; eight 

 pair coop hinges at 50 cents each ; eight windows, 



