 | Charles Davies - 1856 - 450 σελίδες
...weight can be carried 20 miles for the same money that 4j hundred weight can be carried 36 miles ? 27. If 20 men can perform a piece of work in 12 days, working 9 hours a day, how many men will accomplish the same work in one half the time, working 10... | |
 | John Hind - 1856 - 346 σελίδες
...the effect is greater or less in the same proportion as the cause is greater or less. Ex. 3. If 10 men can perform a piece of work in 12 days; how many days will it take 8 men to do the same? Here, the causes will evidently be to each other as 10x12 to... | |
 | Barnard Smith - 1857 - 740 σελίδες
...If 15 men take 1 7 days to mow 300 acres of grass, how long will 27 men take to mow 167 acres ? 6. If 20 men can perform a piece of work in 12 days, how many men will accomplish another piece of work, which is six times as great, in a tenth part of the time 1 6. I am... | |
 | Benjamin Greenleaf - 1857 - 452 σελίδες
...carried 36 miles for $4.75, how far might it be carried for $ 160 ? Ans. 1212}f miles. 17. If 100 workmen can perform a piece of work in 12 days, how many men are sufficient to perform the work in 8 days ? Ans. 150. 18. If ^ of a yard cost -fa of a dollar, what... | |
 | Benjamin Greenleaf - 1858 - 458 σελίδες
...36 miles for $4.75, how far might it be carried for $ 160 ? Ans. 1212-jLf miles. 17. If 100 workmen can perform a piece of work in 12 days, how many men are sufficient to perform the work hi 8 days ? Ans. 150. 18. If fa of a yard cost £, of a dollar,... | |
 | Benjamin Greenleaf - 1858 - 456 σελίδες
...carried 36 miles for $4.75, how far might it be carried for $ 160 ? Ans. 1212|f miles. 17. If 100 workmen can perform a piece of work in 12 days, how many men are sufficient to perform the work in 8 days ? Ans. 150. 18. If ^3- of a yard cost fa of a dollar,... | |
 | Charles Hutton - 1860 - 1020 σελίδες
...minute-hands were then exactly together.'* What was the time ? Ans. 27-,V min. past 5. 20. If 20 men perform a piece of work in 12 days, how many men will accomplish another, thrice as large, in one-fifth of the time ? Ans. 300. 21. A father devised -,?„... | |
 | Henry Pix - 1861 - 116 σελίδες
...consisting of 365 days 6 hrs. 4. Divide -3 by -0&, and -042 by -036. What is the square root of -01825? 5. If 20 men can perform a piece of work in 12 days, how many men can perform a piece of work three times as great in one-fifth part of the time? 6. If five pounds sterling... | |
 | Charles Davies - 1861 - 496 σελίδες
...be less than the 4th: hence, T/ 8 x 12 is written in the first place, and 6 x 18 in the second. 2. If 20 men can perform a piece of work in 12 days, working 9 hours a day (that is, in 108 hours), how many men will accomplish the same work in 6 days,... | |
 | John William Colenso (bp. of Natal.) - 1864 - 238 σελίδες
...2. If £15 12s. pay 1 6 labourers for 18 days, how many labourers will £35 2s. pay for 24 days ? 3. If 20 men can perform a piece of work in 12 days, required the number of men, who could perform another piece of work, 3 times as great, in 3th part... | |
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If 20 men can perform a piece of work in 12 days, how many men will accomplish three times as much in one-fifth of the time ? Ans. 
