98 THE CORN LADY 



run as follows, allowing 1,200 pounds out for the 

 weight of the wagon each time: Gross weights of 

 loads 3650, 3630, 3700, 3760, 3750, 3710, 3420, 

 2910, 3400, 3450, 3510, 3580? 



11. Have each pupil bring to school the actual fig- 

 ures on a. settlement for farm labor, and have the 

 class work it out. 



Farm Drainage 



1. A 40-acre piece of low land (a quarter of a 

 mile across) is 3 feet, 4 inches, higher at one side 

 than the other. How much fall will this be to the 

 rod?" 



2. If the tile cost $20 per 1000, each tile being a 

 foot long, and the laying of them costs 25 cents per 

 rod, wiiat will it cost to lay four strings of tile across 

 this 40 acres? 



3. How much will this amount to per acre ? 



4. If it increases the yield of corn on this land 

 an average of 5 bushels per year for ten years, what 

 will this increase of corn be worth at 40 cents per 

 bushel ? How much on the whole 40 acres ? 



5. What will be the net gain per acre over the 

 cost of tiling? What will be the net gain on the 

 whole 40 acres ? 



6. A 40-acre field is a quarter of a mile (80 rods) 

 each way. How many rods of tile will it take to run 

 diagonally across it, coming in at one corner and out 

 at the other corner? Draw a diagram of this. 



