CORDWOOD, STOVE WOOD, AND COAL 35 



4. At $6 per cord, what is the value of a pile of oak 

 cordwood 40 ft. long and 6 ft. high ? 



5. How many cords of wood can a man have on a frame 

 12 ft. long and 4 ft. high ? 



6. Which is cheaper for a man living in town : to buy 

 stove wood 16 in. long at $3 per cord, or to pay $6 per cord 



CORDWOOD 



for cordwood and give a man $2 to saw and split it into 

 stove wood? 



7. Is it cheaper for a man to buy stove wood 16 in. long 

 at $1.50 per cord, er to pay $2 per cord for cordwood and 

 give a man $1.50 to saw and split it into stove wood ? 



8. Make an estimate of the number of cords of wood 

 in the fallen trees that are wasting on your father's farm. 

 What is the value of this wood at $2 per cord ? 



9. How many cords of wood 16 in. long can be placed cross- 

 wise in a wagon bed 10 ft. long, 3 ft. wide, and 14 in. deep ? 



10. How long must a pile of wood 10 ft. high be to con- 

 tain 18 cords ? 



39. One ton contains 35 cu. ft. of hard coal. 



