326 SCHOOL AND HOME GARDENING 



3. How many bushels of potatoes, valued at 60 cents per bushel, 

 will it take to pay for the cost of fighting the blight? 



4. One gardener prevents blight by spraying, and his yield is 

 25 bushels on one-eighth acre; another gardener neglects his crop 

 and gets but 12 bushels from the same area. What is the profit due 

 to spraying, when potatoes sell at 86 cents per bushel ? 



5. If a field kept clear of weeds produce 75 bushels of com per 

 acre, and a weedy one only 45 bushels per acre, what is the money 

 loss caused by weeds, when com sells at 55 cents per bushel ? What 

 would Be the loss on a ten-ax;re field at the same rate? 



6. If tomato plants are set three feet apa,rt in the rows, and the 

 rows are three feet apart, how many plants will be required to set 

 one acre? (An acre equals 43,560 square feet.) 



7 If one man can set three plants in one minute, how long 

 will it take two men to plant one acre? 



8. If the plants cosit 25 cents per hundred, and the men are each 

 paid 20 cents per hour, what will be the cost of planting one acre 

 of tomatoes? 



9. If 20 per cent of the plants die, how many will remain in the 

 field? How many will be required to replant in the vacant places? 



10. If the plants each yield one-fourth of a bushel of tomatoes, 

 what will be the total crop in bushels? In pounds? In tons? (Con- 

 sider 60 pounds to the bushel.) 



11. If these bring 40 cents per bushel in the market, what will 

 be the value of the crop? 



12. If it costs $2 for plowing, $2 for harrowing and cultivating, 

 •$12 for fertilizing, and $4 for spraying the acre of tomatoes; five cents 

 per bushel to harvest, and five cents per bushel to market the crop, 

 what will be the cost per bushel in raising tomatoes? 



13. What will be the profit per bushel? Profit per acre? 



14. If the value of garden vegetables raised on one "vacant" 

 tract, 50 X 150 feet, amounts to $42, what will be the total value of 

 vegetables raised on 250 such lots? 



15. What will be the total area in acres of this number of lots? 



16. If sweet corn is planted in rows 3% feet apart, and the stalks 

 18 inches apart in the rows, and each stalk yields two marketable 

 ears, how many ears can be raised on one vacant lot, 50 X 150 feet? 



17. At 15 cents per dozen, what will the crop be worth? 



18. If one boy can care for three such vacant lots, and works 

 an average of twelve days on each lot, how inueh will he earn during 

 the summer? How much for each day he worked? 



19. A large back yard worked by two brothers yielded how much 

 cash when the sales were made up of tlie follovring? Beets, $13.75; 



