 | James H. Porter - Arithmetic - 1841 - 210 pages
...—2 —8 | 12— 4— i 100— 10 per cent. Ans. 1 1 0— 20— —51 4— —400 75 5712— 112 70. If 8 men can build a wall 20 feet long, 6 feet high,...will 24 men build one 200 feet long, 8 feet high, 6 feet thick ? —20 —6 —4 —3 —24 20 0— 8— 4 6— ! 12— 4— | 80 Ans. 71. Suppose 12... | |
 | Benjamin Greenleaf - Arithmetic - 1841 - 334 pages
...is j'5 = f. Thus, 117-^-i X i=H7.Hl=1i7 X | = 9i6=104 Ans. 2. If 6 men, in 16 days of 9 hours each, build a wall 20 feet long, 6 feet high, and 4 feet thick, in how many days of 8 houra each, will 24 men build a wall 200 feet long, 8 feet high, and 6 feet thick... | |
 | Charles Guilford Burnham - Arithmetic - 1841 - 324 pages
...to correspond with Inverse Proportion, and may be applied to both Simple and Compound. 14. If 6 men build a wall, 20 feet long, 6 feet high, and 4 feet thick, in 16 days, working 12 hours in a day, in how many days will 24 men build a wall 200 feet long, 8 feet... | |
 | W. F. Walker - Arithmetic - 1841 - 246 pages
...4ft. high, may be treated as one magnitude ; 20X8X4, making a cube. 2. Illustrations. (1.) If 6 men build a wall 20 feet long, 6 feet high, and 4 feet thick, in 9 days, working 10 hours a day, in what time will 24 men build one 200 feet long, 8 feet high, and... | |
 | Alonzo Potter, George Barrell Emerson - Education - 1842 - 586 pages
...a;=360, by inspection. " 8. If 6 men build a wall 20 feet long, 6 feet high, and 4 feet thick, in 16 days, in what time will 24 men build one 200 feet long, 8 feet high, and 6 feet thick ? 24 : 6 •) Contracting, $ $4 : 0 2 ) 4 20 : 200 I 16 . x £0 : #00 10 I J0 : a:=80, 6 : 8 | •... | |
 | Calvin Tracy - Arithmetic - 1842 - 306 pages
...in 1 year, gain 6 dollars interest, how much will 200 dollars gain in 26 weeks? Ans. 6 dollars. 13. If 8 men can build a wall, 20 feet long, 6 feet high, and 4 fee' iU: -'- : -\ 12 days, in what time can 24 men build one, "O r 'i5et high, and 6 feet thick ? Ans.... | |
 | Alonzo Potter, George Barrell Emerson - Education - 1842 - 588 pages
...Dividing 273 by 13 and by 7, or by their product, 91, 1 * 12 ' 3 : r=360, by inspection. " 8. If 6 men build a wall 20 feet long, 6 feet high, and 4 feet thick, in 16 days, in what time will 24 men build one 200 feet long, 8 feet high, and 6 feet thick ? 24 : 6 1... | |
 | James H. Porter, Reuben Porter (Jr.) - Arithmetic - 1843 - 90 pages
...9 months, gain 15 dollars, what principal will gain 6 dollars in 12 months 1 Ans. 105 dollars. 33. If 8 men can build a wall 20 feet long, 6 feet high and 4 feet thick in 12 days, in what time can 24 men build one 200 feet long, 8 feet high and 6 feet thick ? Ans. 80 days. 34. A wall 32 feet... | |
 | Nathan Daboll - 1843 - 260 pages
...paid for the carriage o' 7 cwt. 2 qrs. 25 Ib. 64 miles at the same ratp ? Jlns. $14, OScts. 6m. + 10. If 8 men can build a wall 20 feet long, 6 feet high M»d 4 feet thick, in 12 days ; in what time will 24 mm build one 200 feet long, 8 feet hieh, and 6... | |
 | Benjamin Greenleaf - Arithmetic - 1844 - 204 pages
...right by the product of the uncancelled numbers on the left. 2. If 6 men in 16 days of 9 hours each build a wall 20 feet long, 6 feet high, and 4 feet thick, in how many days of 8 hours each will 24 men build a wall 200 feet long, 8 feet high, and 6 feet thick... | |
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If 8 men can build a wall 20 feet long, 6 feet high and 4 feet thick, in 12 days ; in what time... 
