100 



BUILDING PROBLEMS 



7. Estimate how many rubbles of stone there are in the 

 foundation of your home. 



RUBBLE WORK 



114. Bricks are usually 8 in. long, 4 in. wide, and 2 in. 

 thick, and average in weight 5 Ib. 



115. A flue for one stove is 8 in. by 8 in. in the clear. It 

 takes 6 bricks for the round and 4 rounds to build 1 ft. high. 



A flue for two stoves is 12 in. by 8 in. in the clear. It 

 takes 7 bricks for a round and 4 rounds to build 1 ft. high. 



EXERCISE 



1. How many bricks will it take for a 10-foot flue for 

 one stove ? 



2. How many bricks will it take for a 14-foot flue for 

 one stove ? 



3. How many bricks can be placed in a wagon bed 10 ft. 

 long, 3 ft. wide, and 12 in. deep ? What is the weight of 

 the load? 



