 | George Willson - 1838 - 194 pages
...of the first terms. The method of statement will best be illustrated by an example. 1. If 8 men can build a wall 20 feet long, 6 feet high, and 4 feet thick in 12 days, in what time will 24 men build one 200 feet long, 8 feet high, and 6 feet thick ? Here the... | |
 | Nathan Daboll - 1839 - 220 pages
...rods of wall, how many men'will build four times as much in a fifth part of the time ? Ans. 600. 13. If 6 men build a wall 20 feet long 6 feet high and...build one 200 feet long 8 feet high and 6 feet thick ? men. da. ft. long. ft. h. ft. thick. 6 : 16 :: 20 X 6 x 4 24 : : : 200 x 8 x 6 Ans. 80 days. Questions.... | |
 | Frederick Emerson - 1839 - 300 pages
...pounds, what will a bar weigh, ihat is 6ft. long, 4 in. broad, and 2 in. thick? 50. If 6 men built a wall 20 feet long, 6 feet high, and 4 feet thick, in 16 days, in how many days will 24 men build a wall 200 feet long, 8 feet high, and 6 feet thick ? 51 . If 14 men... | |
 | Benjamin Greenleaf - 1839 - 356 pages
...which is fs = |. Thus, 117^-i Xi = 117-^i=tFXS = 9«6=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 hours each, will 24 men build a wall 200 feet long, 8 feet high, and 6 feet thick... | |
 | Daniel Adams - 1839 - 268 pages
...or answer required. EXAMPLES FOR PRACTICE. 1. If 6 men build a wall 20 ft. long, 6 ft high, and 4 ft thick, in 16 days, in what time will 24 men build one 200 ft. long, 8 ft. high, and 6 ft. thick ? Ans. 80 days. 2. If the freight of 9 hhds. of sugar, each weighing... | |
 | Thomas H. Palmer - 1840 - 328 pages
...7:loi273:*Dividing 273 by 13 and by 7, or by their product, 91, j . 12 ) 1 ! |Q > 3 : x = 360, by inspection. 2. If 6 men build a wall, 20 feet long, 6 feet high,...one, 200 feet long, 8 feet high, and 6 feet thick ? 24:6 ] Contracting, 20:200l.fi 6:8 f10'*4:6 J This was done by dividing 24 and 8 by 8 ; 20 and 200... | |
 | Calvin Tracy - 1840 - 316 pages
...; B. can mow 2 acres in 9 hours. In what time will they both mow 12£ acres ? Ans. 30^-f hours. 26. If 6 men build a wall 20 feet long, 6 feet high, and...build one 200 feet long, 8 feet high, and 6 feet thick ? Ans. 80 days. 27. A farmer being asked how many sheep he had, replied, that in one pasture he had... | |
 | Calvin Tracy - 1840 - 326 pages
...simple ratios. The following sum may serve as an illustration : If 3 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 13 men build a wall 200 feet long, 8 feet high, and 6 feet thick... | |
 | Daniel Adams - 1840 - 278 pages
...answer required. EXAMPLES FOR PRACTICE. 1. If 6 men build a wall 20 ft. long, 6 ft. high, and 4 ft. thick, in 16 days, in what time will 24 men build one 200 ft long, 8 ft. high, and 6 ft. thick ? Ans. 80 days. 2. If the freight of 9 hhds. of sugar, each weighing... | |
 | Charles Guilford Burnham - 1841 - 324 pages
...be found 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 high, and... | |
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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 will 24 men build one 200 feet long, 8 feet high, and 6 feet thick ? 8 : 12 : : 20x6x4 24: 200x8x6 80 (lays, Jlns. 
