CORRELATION WITH SCHOOL WORK 327 



tomatoeSj $6.82'; lettuce, $11.75; tomato plants, $2.70; corn, 72 centa; 

 carrots, 30 cents; radishes, $16.80; onions, $2.23; peppers, $1.35; 

 spinach, $1.37'; green beans, $1.34; wax beans, $1.11; celery, $35.30; 

 strawberries, $1.65; peas, 95 cents; cabbage, 55 cents; lima beans, 

 $1.30; stalks, 25 cents. 



20. The family used vegetables of the following values: Lettuce, 

 $4.95; radishes, 49 cents; spinach, 38 cents; corn, $6.40; rhubarb, 

 35 cents; tomatoes, $14.89; peas, $2.04; strawberries, $5.93; beets, 

 90 cents; green beans, 38 cents; celery, $1.17; peppers, 25 cents; pota- 

 toes, $1.50; onions, 25 cents; Lima beans, 93 cents; squashes, 37 

 cents; carrots, 3 cents; cucumbers, 15 cents; cabbage, 10 cents; 

 egg-plants, 34 cents; parsnips, 60 cents. What was the total used? 

 What was the total sold and used ? 



21. If 2'5 per cent was spent for fertilizer, seed and plants, what 

 was the net income from the garden ? 



22. If the income for sweet corn from three city lots, each 

 50 X 100 feet, is $90, what would be the income per acre ? 



23. If 10 per (sent- is spent for seed and fertilizer and 25 per 

 cent for labor, what is the net profit per acre ? 



24. A crop of lettuce on a lot 50 X 100 feet contains 2500 plants 

 which sell at an average of 4 cents each, what is the value of the total 

 crop? What is the net profit if the cash outlay for fertilizer and 

 seed is $8 ? 



25. The yield is increased by irrigation so that the heads sell 

 for 7 cents each. What is the profit due to irrigation, if the cost 

 of irrigation is $10? 



26. What fraction of an acre is in a garden which measures 60 

 by 42 yards? 210 by 105 feet? 



27. Give suitable dimensions for a garden which is to contain 

 one-eighth acre. (43,560 sq. ft. per acre. ) 



28. How many stalks of sweet corn on one-tenth acre if its rows 

 are three feet apart and the stalks average one foot apart in the 

 rows? 



29. If each stalk yields one good roasting ear, and ears sell 

 at. 10 cents per dozen, what would be the income from one acre ? 



30. If potatoes are planted these same distances, how many 

 bushels will be produced per acre if thirty-five plants yield one 

 bushel? 



31. With potatoes selling at 40 cents per bushel, what would 

 be the income from one-tenth acre? 



32. What is the income from one-twentieth of an acre of head 

 lettuce, plants growing at distances 1 by 2% feet, and selling at 3 

 cents a head? 



