 | C. Frusher Howard - Ready-reckoners - 1878 - 104 pages
...feet long and 18 inches broad, how many square feet are contained in it ? Ans. 31$ sq. ft. Process — Multiply the length in feet by the breadth in inches, and divide the product by 12. 3 21 X W I* Or thus, 18 inches equals 1£ ft.; 21 X 1 £ = 31£. To measure a board wider at one end... | |
 | C. Frusher Howard - Business mathematics - 1878 - 104 pages
...feet long and 18 inches broad, how many square feet are contained in it ? Ans. 31$ sq. ft. Process — Multiply the length in feet by the breadth in inches, and divide the product by 1 2. Or thus, 18 inches equals 1£ ft. ; 21 XH = 31£. To measure a board wider at one end than the... | |
 | Daniel R. Shafer - Agriculture - 1876 - 638 pages
...unit of Board Measure is a square foot one inch thick. Hence, to measure boards, if one inch thick, multiply the length in feet by the breadth in inches, and divide by 12. If the board taper, multiply by half the width of both ends added. Sawed lumber, like ioists,... | |
 | C. Frusher Howard - Ready-reckoners - 1879 - 134 pages
...feet long and 18 inches broad, how many square feet are contained in it? Ans. 31| sq. ft. Process — Multiply the length in feet by the breadth in inches, and divide the product by 1 2. 3 21 XX$ = 3H. n Or thus, 18 inches equals If ft.; 21 x H = 31£. To measure a board wider at... | |
 | C. Frusher Howard - Ready-reckoners - 1880 - 146 pages
...long and 18 inches broad, how many square feet are contained in it ? Ans. 31£ sq. ft. Process — Multiply the length in feet by the breadth in inches, and divide the product by 12. 3 21 X W I* 2 Or thus, 18 inches equals 1£ ft.; 21 XH = To measure a board wider at one end than the... | |
 | Hoy D. Orton, Warren H. Sadler - Ready-reckoners - 1881 - 316 pages
...ineh« broad, how many square feet are contained in it? 18 inches=l,5 foot; and 21x1,5=31,5 ft., Am. Or, in measuring boards, you may multiply the length...quotient will give the answer in square feet, etc. 21 x18 Thus, in the last example, =31£sq.. ft., as before. 12 5. If a board be 8 inches wide, how... | |
 | William James Milne - Arithmetic - 1882 - 224 pages
...by the fol^ying rule : RULE. — Multiply the length in feet by the breadth expressed in feet. Or, Multiply the length in feet by the breadth in inches and divide the result by 12. When lumber is more than an inch thick, the number of feet board measure may be found... | |
 | C. Frusher Howard - Ready-reckoners - 1884 - 144 pages
...long and 18 inches broad, how many square feet are contained in it ? Ans. 31£ sq. ft. Process — Multiply the length in feet by the breadth in inches, and divide the product by 12. 2 Or thus, 18 inches equals 1£ ft.; 21 X 1£ = 31 £. To measure a board wider at one end than the... | |
 | Hoy D. Orton, Warren H. Sadler - Business mathematics - 1888 - 342 pages
...inches broad, how many square feet are contained in iti 18 inches=l,5 foot; and 21x1,5=31,5 ft., Ant. Or, in measuring boards, you may multiply the length...square feet, etc. 21x18 Thus, in the last example, =31£sq, ft., as before. 12 5. If a board be 8 inches wide, how much in tength will make a foot square... | |
 | Hoy D. Orton - Business mathematics - 1889 - 344 pages
...inches broad, how many square feet are contained in it'i 18 inches=l,5 foot ; and 21x1,5=31,5 ft., An*. Or, in measuring boards, you may multiply the length...before. 12 5. If a board be 8 inches wide, how much in length will make a foot square ? RULE.— Divide 144 by the width; thuB, 8)144 Am. 18 in. 6. If... | |
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Or, in measuring boards, you may multiply the length in feet by the breadth in inches, and divide the product by 12 ; the quotient will give the answer in square feet, etc. 21x18 Thus, in the last example, =31£sq, ft., us before. 12 5. If a board be... 
