 | Isaac Dalby - 1807 - 476 σελίδες
...the ratio of the first term to the third is equal to that of the fourth to the second. For example : If 4 men can do a piece of work in 6 days, in what lime would 8 men do the same ? Taking the proportion direct, the answer comes out 12 day* j but... | |
 | Zadock Thompson - 1828 - 238 σελίδες
...for 10 cents a yard, how much do in one day, and 9 days work in 31 lnse in the nhole ? 22. Two men can do a piece of work in 6 days, in how many day will 3 men do it ? A. Two men 6 days are equal \o one man 12 days. and one man 12 days are equal... | |
 | Zadock Thompson - 1828 - 230 σελίδες
...4, the first extreme, tin- quotient/18, is evidently the other extreme, or the value of x. 196. 3. If 4 men can do a piece of work in 6 days, in iiow many days •an 8 men do it ? By analyzing the example, we find that 4 men 6 days=l man 24 days,... | |
 | Zadock Thompson - 1832 - 186 σελίδες
...man 24 days, and 1 man 24 days— 8 men 3 days. 8 then is the answer. Moreover it is obvious, that if 4 men can do a piece of work in 6 days, twice the number of men will do it in half the time, or 3 days ; and generally the greater the number... | |
 | Zadock Thompson - 1832 - 182 σελίδες
...days=il man 24 days, and 1 man 24 days=8 men 3 days. 8 then is the answer. Moreover it is obvious, that if 4 men can do a piece of work in 6 days, twice the number of men will do it in half the time, or 3 days ; and generally the greater the number... | |
 | Zadock Thompson - 1838 - 174 σελίδες
...the first e*trera«r the quotient, 18, is evidently the other extreme, or the value of ,r. 196. 3. If 4 men can do a piece of work in 6 days, in how many da1r» eon 8 men do it 7 By analyzing- the example, we find (hat 4 men 6 days— I man 24. days. •... | |
 | James Stewart Eaton - 1864 - 188 σελίδες
...for 12 months ; how many men will it last 4 months ? 22. If a staff 3 feet long casts a shadow 4 fpet at 9 o'clock, what is the length of a pole that casts...the same ? 25. If 5 men can do a piece of work in 3 day=, in how many days can they do a piece of work Г, times as large ? 26. If 36 men can do a piece... | |
 | George Augustus Walton, Electa Nobles Lincoln Walton - 1869 - 350 σελίδες
...least, perform a sufficient number by Proportion to fix the method in his mind. EXAMPLES. 1. If 5 men can do a piece of work in 6 days, in how many days can 7 men do it ? Ans. 4^ d. 2. If 15 men can do a piece of work in 12 days, how many men can do it in... | |
 | Daniel Barnard Hagar - 1871 - 220 σελίδες
...a horse can trot at the rate of 24 miles in 3 hours, how far can he trot in 2 hours ? 18. If 5 men can do a piece of work in 6 days, in how many days can 3 men do it ? SOLUTION. — If 5 men can do a piece of work in 6 days, 1 man will require 5 times 6 days, or... | |
 | George Augustus Walton, Electa N. L. Walton - 1871 - 348 σελίδες
...the pupils perform the following examples both by analysis and by proportion. EXAMPLES. 1. If 5 men can do a piece of work in 6 days, in how many days can 7 men do it ? Ans. 4$ d. 2. If 15 men can do a piece of work in 12 days, how many men can do it in... | |
| |
If 4 men can do a piece of work in 6 days, in how many days can 3 men do twice as much work ? 15. 
