 | 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... | |
 | Zadock Thompson - 1828 - 238 σελίδες
...4, the first extreme, the quotient, 18, is evidently the other extreme, or the value of z. 196. 3. If 4 men can do a piece of work in 6 days, in how many days can 8 men do it? By analyzing the example, we find that 4 men 6 days=l man 24 days,... | |
 | 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... | |
 | Nathan Daboll - 1839 - 220 σελίδες
...the first, and requires the fourth term to be greater than the second.] Thus, if 3 men can perform a piece of work in 6 days, how long will it take 6 men to do the same ? It is evident that if three men require 6 days, 6 men will do it in half the... | |
 | Nathan Daboll - 1843 - 254 σελίδες
...the first, and requires the, fourth term to be greater than the second.] Thus, if 3' men can perform a piece of work in 6 days, how long will it take 6 men to do the same ? It is evident that if three men require 6 days, 6 men will do it in half the... | |
 | William Vogdes - 1849 - 134 σελίδες
...by a pipe which discharges 8 galIons per hour ? 85. A man can perform a certain piece of work in 48 days ; how long will it take 8 men to do the same ? MISCELLANEOUS EXERCISES. WRITTEN. 1. The sum of two numbers is 648, the less numbei is 216 : what... | |
 | Nathan Daboll, David Austin Daboll - 1849 - 260 σελίδες
...the first, and requires the fourth term to be greater than the second.] i Thus, if 3 men can perform a piece of work in 6 days, how long will it take 6 men to do the same 1 It is evident that if three men require 6 days, 6 men will do it in half the... | |
 | James Stewart Eaton - 1868 - 190 σελίδες
...at 12 o'clock, what is the length of the shadow cast, at the same time, by a pole 18 feet long? 24. If 4 men can do a piece of work in 6 days, in how many days can 3 men do the same ? 25. If 5 men can do a piece of work in 3 days, in how many... | |
 | School board readers - 1872 - 328 σελίδες
...15s. 6d., what will 18 cwt. 3 qrs. 7 Ibs. of hay of the same quality cost ? 49. If 27 men can complete a piece of work in 6 days, how long will it take 36 men to complete it ? 48. What weight of sugar may be bought for £93 12s., when the cost of 6 cwt.... | |
 | Cincinnati (Ohio). Board of Education - 1873 - 352 σελίδες
...of Europe? 9. In what part of Europe are nearly all its mountains ? MENTAL ARITHMETIC. 1. If 3 men can do a piece of work in 6| days, how long will it take 8 men to doit? 2. If 2 lemons cost 1J cents, how many lemons can be bought for 5}- cents? 3. A and B set out... | |
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If 4 men can do a piece of work in 6 days, how long will it take 12 men to do the same work? 
