92 



BUILDING PROBLEMS 



EXERCISE 



1. How many bunches of shingles 4 in. wide and laid 

 4 in. to the weather will it take for the roof of the 

 schoolhouse ? 



2. When paying 

 the carpenter $2 a 

 day, with shingles 

 at $3 per thousand, 

 and nails at 30 per 

 pound, what 



will it cost to 

 put a new roof 



SHINGLES LAID FOUR INCHES TO THE 



on the school- WEATHER 



house ? 



3. When paying a carpenter $1.50 per day, with shingles 

 at $3.25 per thousand, nails at 40 per pound, what would it 

 cost to put a new roof on your home ? 



METAL ROOFING 



104. Metal roofing is bought by the square (100 sq. ft.). 

 Galvanized steel can be bought at from $2.50 to $4 per 

 square ; 750 is the average charge for laying. Galvanized 

 iron can be bought at $4 per square ; 750 is the average 

 charge for laying. Tin roofing can be bought at from $2 to 

 $6 per square ; $1.50 is the average charge for laying. 



EXERCISE 



1. What would a tin roof for your schoolhouse cost at 

 $3.50 per square and $1.50 per square for laying ? 



2. Which would be the less expensive roof for your 

 schoolhouse, the galvanized-steel roof at $3.50 per square, 

 and 750 per square for laying, or a shingle roof at $3.25 per 

 thousand, and $1 per square for laying ? 



