 | Thomas Arnold - Marine insurance - 1822 - 1008 pages
...recommendation of being snorter than the foregoing method of calculation. ft. 34 0 4 To measure Boards. Multiply the length in feet, by the width in inches, and divide by 12: the quotient will be the number of feet. But if the • See the rulei for working' by duodecimals,... | |
 | Frederick Emerson - Arithmetic - 1832 - 344 pages
...are sold by the thousand square feet, and each board is measured thus — Multiply the length in feel by the width in inches, and divide the product by 12; the quotient will be square feet. 11. How many square feet are there in 17 boards, each board being 21... | |
 | Frederick Emerson - Arithmetic - 1844 - 222 pages
...house 45 by 22 feet ? BOARDS are sold by the thousand square feet, and each board is measured thus — Multiply the length in feet by the width in inches, and divide the product Ay 12; the quotient will be square feet. 11. How many square feet are there in 17 boards, each board... | |
 | Frederick Emerson - Arithmetic - 1846 - 266 pages
...house 45 by 22 feet ? BOARDS are sold by the thousand square feet, and each board is measured thus — Multiply the length in feet by the width in inches, and divide the product by 12; the quotient will lie square feet. 11. How many square feet are there in 17 boards, each board being 21... | |
 | James Robinson (of Boston.) - 1847 - 304 pages
...X 14 = 224 -T- 12=18f square feet. TO FIND THE NUMBER OF FEET, BOARD MEASURE, IN A PLANK OR JOIST. RULE. Multiply the length in feet by the width in inches, and the product by the depth in incies; divide this product by 12 ; the quotient will be square feet. 3.... | |
 | Frederick Emerson - Arithmetic - 1849 - 228 pages
...house 45 by 22 feet ? BOARDS are sold by the thousand square feet, and each board is measured thus — Multiply the length in feet by the width in inches, and divide the product by 12; . the quotient will be square feet. 11. How many square feet are there in 17 boards, each board being 21... | |
 | Frederick Emerson - Arithmetic - 1832 - 232 pages
...house 45 by 22 feet ? BOARDS are sold by the thousand square feet, and each board is measured thus — Multiply the length in feet by the width in inches, and divide the product by 12; the quotient will be square feet. 11. How many square feet are there in 17 boards, -each board being 21... | |
 | Admiral Paschel Stone - 1853 - 110 pages
...better learned by practice than otherwise. The following are of quite general use : — MEASUREMENT OF BOARDS. RULE. — Multiply the length in feet by the...width in inches, and divide the product by 12. The quotient will be the contents in feet. Examples. ' 1. Required the contents of a board 16 ft. long... | |
 | Ezra S. Winslow - Business mathematics - 1853 - 264 pages
...spherical inch, we shall obtain the same result. MENSURATION OF LUMBER. To find the contents of a board. RULE. — Multiply the length in feet by the width in inches, and divide the product by 12 ; the quotient will be the contents in square feet. EXAMPLE. — A board is 16 feet long and 10 inches wide... | |
 | Frederick Emerson - Arithmetic - 1854 - 228 pages
...are sold by the thousand square feet, and each board is measured thus — Multiply the length in feel by the width in inches, and divide the product by 12; the quotient will be square feet. 11. How many square feet are there in 17 boards, each board being 21... | |
| |
RULE. — Multiply the length (in feet) by the width (in inches) and divide the product by 12 — the result will be the contents in square feet. 
