1. If it is estimated that 100 ft. of lumber are necessary to do a certain piece of work, and but 78 ft. are used, what per cent is saved?

2. If the hardware upon a $1000 job cost $18, what per cent of the whole was the cost of the hardware?

3. If the labor and material cost $14.50, what will be the price if a profit of 8 per cent is charged?

4. What is the ratio of profit if a tool chest costs $6 and sells for $9?

5. If 45 ft. of lumber cost $.90, what will 150 ft. cost?

6. What per cent of profit is there in a job for which $46.75 was paid, if the material costs $32 and the labor, $10.50?

7. If 200 ft. of lumber cost $5 how much will 37 ft. cost?

8. If 30 ft. of lumber are estimated for a job, and only 27 ft. are used, what per cent is saved?

9. Measure the material in some article of furniture and estimate the quantity and price.

10. A lumber pile contains 1918 sq. ft., 575 sq. ft., are sold, what per cent is left?

11. What is the ratio of loss if an article costs $5 and sells for $3?

12. Estimate the number of bricks in a given wall or section of wall.

13. If 1/3 of a piece of property is worth $153, what is 5/8 of it worth?

14. If 10 men do a piece of work in 12 hours, how long should it take 13 men to do it provided they could all work to advantage?

15. 150 ft. is the estimate for the stock of a job, but through careless cutting 165 ft. are used. What is the per cent of loss?

16. If A's pay is 12 per hour, and B receives 60 per cent as much, what is B's pay?

17. If they are put upon a job together and B does 50 per cent of the work, what per cent should B's pay be raised, and A's reduced, to make them even?

18. If a mason and helper can lay 1000 bricks a day, how long will it take them to lay a wall 40' long X 18' high, and 20" thick, of low grade brick? As the bricks are over size, estimate 21 bricks to a cubic foot instead of 22 1/2 as usual.

19. If 15 lb. of nails cost $.45, what will 40 lb. cost?

20. If 2000 ft. of lumber cost S70, how much will 3500 ft. cost?

21. If A does a certain piece of work in 19 hours at 8 per hour, how much will it cost if B receives 10 per hour and does it in 2/3 of the time?

22. If 17 per cent of a piece of work costs $22, what will the whole work cost when completed?

23. Measure and estimate the material in a given length of fencing.

24. If 16f per cent of a piece of work costs $7, what will the rest cost at the same rate?

25. What is the per cent of labor upon a job which costs $46.17, if the material costs $27?

26. Measure and estimate the material in the treads and risers of a given flight of stairs.

27. If A does 6 hours' work for 60 and B does the same amount of work in 5 hours, how much per hour ought B to receive for his labor?

28. Two men lay a floor containing 22 squares. A lays 8 ft. to B's 10 ft. How much does each lay?

29. A, B, and C contract to do a certain piece of work for $27. A does 61 1/9 per cent of the work, B 27 2/9 per cent, C 11 2/3 per cent. What amount of money will each receive? •

30. If 12 1/2 per cent of a piece of work costs $5.25, what will the entire work cost?

31. If 2 students do 10 per cent of a piece of work in 3 hours, how many will be necessary to do the whole in 10 hours if all work to advantage?

32. If 6000 ft. of lumber cost $180, how much may be bought for $967?

33. If 6 men are 9 days doing a piece of work, how long will it take

4 men to do it?

34. Divide 90 ft. of lumber into two parts having the ratio of 4 to

5 to each other.

35. Divide 246 into four parts which will have the proportions of 4, 6, 9, 13.

36. Measure and estimate the material in a given floor.

37. If a certain piece of work costs $20 the first time it is done, and the next time it costs $18.75, what per cent is saved?

38. The average work of A costs 2/9 less than the average work of B. What per cent of difference should there be in their pay?

39. Two contractors figure $3150 and $3064.50 upon a job. What per cent of the larger bid was the difference in their bids?

40. Measure and estimate the material in a given case of drawers.

41. If two men can lay 6 squares of floor a day, what area of floor could thirteen lay in the same time?

42. 96 hours' work was divided equally between A, B, C, D, at 12 , 1086an hour respectively. How much did each receive?

43. A cellar wall 8' high, 20' X 35', and 12" thick is to be laid of stone costing in the wall $4.50 per cu. yd. What will the wall cost?

44. A is paid 10 per hour for work, and his work is no better than that of B, who receives 8per hour. What per cent should A's pay be reduced?

45. Measure and estimate the cost of material in a given piece of furniture, and make a stock list including every piece used.

46. A certain room is 20' X 30', and another room is to be made which is to be 20 per cent larger each way; what will be the area of the larger room?

47. At the rate of 12 for each 1 1/2 hours' work, how many hours' work will $4.30 pay for?