 | Benjamin Greenleaf - Mental arithmetic - 1854 - 156 pages
...40 bushels of grain will keep 4 horses 6 days, how long will it keep 8 horses ? 10. Four men can do a piece of work in 5 days ; how long will it take 10 men to do the same work ? 11. John's kite was 60 feet in the air, and Charles' only 2 fifths as... | |
 | Benjamin Greenleaf - Mental arithmetic - 1857 - 162 pages
...40 bushels of grain will keep 4 horses 6 days, how long will it keep 8 horses ? 10. Four men can do a piece of work in 5 days ; how long will it take 10 men to do the same work ? 11. John's kite was 60 feet in the air, and Charles' only 2 fifths as... | |
 | Charles Davies - Arithmetic - 1858 - 174 pages
...36. If a barrel of flour will last 5 men 25 days, how long will it last 9 men ? 88 if 8 men can do a piece of work in 5 days, how long will it take orìe man to do it? How many men will do it in one day ? 37. A man has a piece of work which would... | |
 | Benjamin Greenleaf - Arithmetic - 1851 - 150 pages
...40 bushels of grain will kcep 4 horses 6 days, how long will it kcep 8 horses ? 10. Four men ean do a piece of work in 5 days ; how long will it take 10 men to do the same work ? 11. John's kite was 60 fcet in the air, and Charles' only 2 fifths as... | |
 | James Stewart Eaton - Arithmetic - 1868 - 190 pages
...$23 in -fs of a month, what can he earn in a month ? 43. 23 is VV of what number ? 44. A man can do f of a piece of work in 5 days } how long will it take...the same rate, would he travel in an hour ? 47. 4 is ,J of what number ? 48. If 7 pounds of flour cost 38 cents, what will 12 pounds cost? 49. 38 is /5... | |
 | Stoddard A. Felter - Arithmetic - 1868 - 238 pages
...8 men can do a piece of work in 3 days, how long will it take 1 man to do it ? 13. If 3 men can do a piece of work in 5 days, how long will it take 1 man to do it? 14:. How long will it. take 1 man to do what 9 men can do in 8 days ? 15. If 6 men... | |
 | James Stewart Eaton - Arithmetic - 1871 - 188 pages
...-fa of a month, what can he earn in a month ? 43. 23 is •jAf of what number ? 44. A man can do f of a piece of work in 5 days ; how long will it take...§ of what number ? 46. A horse traveled 4 miles in f of an hour ; how far, at the same rate, would he travel in an hour ? 47. 4 is f of what number ?... | |
 | James Stewart Eaton - Arithmetic - 1875 - 208 pages
...in ^ of- a month, what can he earn in a month ? 43. 23 is -fg of what number ? 44. A man can do § of a piece of work in 5 days ; how long will 'it take him to do the whole of it ? 45. 5 is f of what number ? 46. A horse traveled 4 miles in $ of an hour ; how far, at the same rate, would... | |
 | James Stewart Eaton - Arithmetic - 1877 - 182 pages
...$23 in Д of a month, what can he earn in a month ? 43. 23 is .fa of what number ? 44. A man can do g of a piece of work in 5 days \ how long will it take him to do the whole of it ? 45. 5 is J of what number ? 46. A horse traveled 4 miles in $ of an hour ; how far, at the same rate, would... | |
 | James Stewart Eaton - Arithmetic - 1878 - 180 pages
...in -j^ of a month, what can he earn in a month ? 43. 23 is -fa of what number ? 44. A man can do f of a piece of work in 5 days ; how long will it take...the same rate, would he travel in an hour ? 47. 4 is f of what number ? 48. If 7 pounds of flour cost 38 cents, what will 12 pounds cost? 49. 38 is & of... | |
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A man can do f of a piece of work in 5 days } how long will it take him to do the whole of it ? 45. 
