 | Zadock Thompson - 1828 - 238 σελίδες
...? 10 ? 20 ? second ?third ?fourth •'fifth ? sixth seventh ? eighth ? ninth ? tenth ? 20. Two men can do a piece of work in 3 days, how long will il take one man to do it ? A. One can do one half of the work in 3 days, and the other half in 3 days... | |
 | Zadock Thompson - 1828 - 230 σελίδες
...hour ? thi second ? third ? fourth ? fifth ? sixth ? seventh ? eighth ? ninth ? tenth ? 20. Two men can do a piece of work in 3 days, how long will it lake one man to doit ? A One cat rfn one half of the work in 3 dayi and the other half in 3 days more,... | |
 | American Institute of Instruction - 1831 - 380 σελίδες
...how long would it take 5 men to do z/-! If this should still be found too difficult ; say, If 2 men can do a piece of work in 3 days, how long will it take 1 man to do it ? This being answered, sa)', Jf 1 man will do it in 6 days, how long will it take 3 men to do it? In... | |
 | American Institute of Instruction - 1831 - 416 σελίδες
...how long- would it take 5 men to do it '} If this should still be found too difficult ; say, If 2 men can do a piece of work in 3 days, how long will it take 1 man to do it ? This being answered, say, If 1 man will do it in 6 days, how long will it take 3 men to do it? In... | |
 | Peirpont Edward Bates Botham - 1836 - 104 σελίδες
...a year Í . ANS. 60 dois. 2. To find unity — which is, any single thing of any kind. Ex. If 6 men can do a piece of work in 3 days : how long will it take one man to do it ? SOLUTION. — 3 times 6 are 18, the answer, 18 days. JJT Let the pupil slate the... | |
 | Conley Plotts - 1848 - 278 σελίδες
...should buy 5| yards of calico for If of a dollar, what should be the cost of 4£ yards at that rate? 44. If 8 men can do a piece of work in 3 days, how long would it take 1 man to do the same ? 45. If 7 men can build a wall in 9 days, how long would it take... | |
 | Nelson M. Holbrook - 1849 - 116 σελίδες
...nails, at 8 cents a pound, can I buy with 10 pounds of iron, at 5 cents a pound ? LESSON IV. 1. If 4 men can do a piece of work in 3 days, how long will it take 1 man to do the same work ? jft • ANS. 12 days. Why 12 days ? Because it will take 1 man 4 times as long as it... | |
 | James Stewart Eaton - 1864 - 322 σελίδες
...3 men build f of a rod of wall in an hour, how many rods will 4 men build in 6 hours ? 18. If 6 men can do a piece of work in 3£ days, how long will it take 4 men to do the same work ? 19. What cost 61b. of sugar, at 8^c. per 1b. ? 20. What shall I pay for... | |
 | James Stewart Eaton - 1868 - 356 σελίδες
...3 men build $ of a rod of wall in an hour, how many rods will 4 men build in 6 hours ? 18. If 6 men can do a piece of work in 3^ days, how long will it take 4 men to do the same work ? 19. What cost 61b. of sugar, at 8Jc. per Ib. ? 20. What shall I pay for... | |
 | Emerson Elbridge White - 1870 - 350 σελίδες
...piece of work in a day, how long will it take one man to do the entire work? 18. If 8 men can do f of a piece of work in 3 days, how long will it take 4 men to do the entire work? 19. If 20 men earn $120 in 4 days, how much will 5 men earn in 8 days?... | |
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If 2 men can do a piece of work in 3 days, how long will it take 1 man to do it? 
