STONEWOEK AKD BEICKWOEK 



EXERCISE 



99 



1. How many running perches of stone are there in a 

 rock fence 80 rd. long and 4i ft. high ? 



2 . How many running perches of stone are there in the foun- 

 dation of a house 24 ft. by 28 ft., if the foundation is 3 ft. high ? 



3. How many cubic yards of dirt are removed in exca- 

 vating for a cellar 30 ft. long, 30 ft. wide, and 6 ft. deep ? 



ROOF PLAN 



4. Estimate the cost of a brick wall for a house 30 ft. long, 

 26 ft. wide, 16 ft. high, and 8 in. thick, when bricks are 

 worth $12 per thousand. 



5. To lay 800 bricks is a fair day's work for a good brick- 

 layer. How much will he receive at $4 per day for building 

 the walls in the above problem ? 



6. Measure the schoolhouse and estimate the number of 

 bricks it would take to make brick walls 8 in. thick. How 

 many rubbles of stone would it take for the foundation ? 



