7. How much will it cost to carpet the library, sitting room, and dining room in problem 6 with carpet 1 yd. wide costing $1.12 per yard? (No allowance for matching patterns.)

8. How much will it cost to cover the kitchen and pantry in problem 6 with 72′′ linoleum, making no allowance for matching patterns, at 90 per linear yard?

9. How much will it cost to cover the bedrooms in problem 6 with plain matting 27" wide at 25¢ per yard, and to lay a 36" runner in the hall at 85¢ per yard?

10. How much will it cost to floor a drill hall 80' × 65' with 1" hardwood lumber at $35 per M? (§ 168.)

GROUP 4

1. A man owned the S of NW of a section of land. He bought the NW of the NW of the same section. How many acres did he then have? Draw a diagram showing the location of the land.

2. A river falls 765 ft. in a distance of 35 mi. What is its fall per mile?

3. How many gallons of water will be contained in a cylindrical standpipe 22′ in diameter and 72′ high?

4. Find the floor space in a six-story building which is 80' x 30', allowing a space 15' x 8' on each floor for elevators, and a space 10' × 41' on each floor for stairways.

5. How many cubic yards of material must be moved to excavate a tunnel 8' square and mi. long?

6. Find the approximate number of bushels of apples that can be loaded into a wagon bed 9' x 3' 4" × 32".

§ 177.)

(See

7. Find the approximate number of bushels of wheat that can be stored in a granary 10′ 4′′ × 6′ × 7'.

8. A cylindrical water tank 10' in diameter contains 10575 gal. Find its height. (See § 178.)

9. A field 1320′ × 660′ is planted to orchard. The rows running the long way of the field are 16' apart, the first and last rows being 18' from the fence; the trees are 321 apart in the rows, the outside trees being 26.25' from the fence. How many trees are planted to the acre? (Make diagram.)

10. A vessel carries 600 T. of wheat to Liverpool, where it is sold at 3s. 15d. per bushel. What is the value of the cargo in United States money?

GROUP 5

The following problems are to be solved with the aid of the illustration on the following page:

Sheathing for roof has 80 rows of boards 4" wide and " thick.

Extension of ridge board, 18" on each end.

BUS. ARITH. -8

1. Fill in the number of pieces of each kind in the

2. If no allowance is made for corners, how many linear feet of each of the following will be needed: sills, plates, purlins, ridge board?

3. What is the length of the rafters, if 18" is allowed for the overhang? (See § 147, 2 c.)

4. Fill in the following, using the table in example 1:

5. How many board feet of flooring will be used? How many board feet of plank? (No allowance for anything but sills.)

6. If no allowance is made for openings, how many board feet of "lumber will be used for siding? (For area of gable ends, see § 147; 2 a.)

7. If no allowance is made for openings, how many board feet of " lumber will be needed for the four sides and top of the granary? (Granary 38' x 29' x 16'.)

8. Allowing for extension and overhang, find the area of the roof.

9. How many shingles laid 51" to the weather will be needed?

10. Using all previous data, fill in and extend the following: