 | Horace Mann - 1851 - 384 σελίδες
...J miles an hour. In what time will they meet if they are now 38f miles apart? Am. 3|||f hours. 79. Two men start from the same place and travel in opposite directions, one at the rate of 4^- miles an hour, and the other 5 T 3 T miles an hour. In what time will they be 100... | |
 | Frederick Emerson - 1852 - 230 σελίδες
...many men must be employed, to dig a trench in 3 days, that 6 men can dig in 4 days ? 31. Suppose 2 men start from the same place, and travel in opposite directions, one at the rate of 5 miles an hour and the other f as fast;—how far apart will they be in 11 hours ?... | |
 | Frederick Emerson - 1853 - 224 σελίδες
...and B 9; but A gives -j of his earnings to B. What will each lay up in 3 months ? • 31. Suppose 2 men start from the same place, and travel in op.posite directions, one at the rate of 5 miles an hour and the other f as fast;— how far apart will they be in 11 hours ?... | |
 | Nelson M. Holbrook - 1854 - 126 σελίδες
...yard, a watch worth 10 dollars, and the balance in money ; how much money did he receive ? Why ? 3. If two men start from the same place, and travel in opposite directions, one at the rate of 4 miles an hour, and the other at the rate of 6 miles an hour, how far apart will they... | |
 | Frederick Emerson - 1854 - 228 σελίδες
...noonday, what is the height of a steeple, that casts a shadow 90 feet, at the same time. 31. Suppose 2 men start from the same place, and •travel in opposite directions, one at the rate of 5 miles 30. How many men must be employed, to dig a trench in 3 days, that 6 men can... | |
 | John Fair Stoddard - 1856 - 178 σελίδες
...can do a piece of work in 9 days, how many days would it take 1 man to perform the same work ? 61. Two men start from the same place, and travel in opposite directions ;—one at the rate of 7 miles an hour, the other 9 miles an hour ; how far apart wiil they be in 2 hours ?... | |
 | Joseph Ray - 1857 - 174 σελίδες
...19. What will 9 yards of cloth cost at $6 a yard? 20. What will 9 oranges cost at 8 cents each ? 21. Two men start from the same place and travel in opposite directions : one travels 2 miles an hour, the other 4 miles: how far will they be apart at the end of 1 hour? At the end of... | |
 | Horace Mann, Pliny Earle Chase - 1857 - 388 σελίδες
...6¿ miles an hour. In what time will they meet if they are now 38 î miles apart? Ans. 3- hours. 79. Two men start from the same place and travel in opposite directions, one at the rate of 4-|- miles an hour, and the other 5 T 3 T miles an hour. In what time will they be 100... | |
 | Pliny Earle Chase - 1857 - 338 σελίδες
...the numbers ? 596. The sum of è, |, {, and f of a certain number is 115. Required the number. 599. Two men start from the same place and travel in opposite directions, one at the rate of 4e miles, and the other 5 T 3 T miles an hour. In what time will they be 100 miles apart?... | |
 | Benjamin Greenleaf - 1858 - 186 σελίδες
...How much moro is 8 times 8 than 7 times 9 ? ,9. How much more is 8 times 9 than 10 times 7? 10. If two men start from the same place, and travel in opposite directions, the one travelling at the rate of 3 miles an hour, and the other at the rate of 4 miles an hour, how... | |
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7. Two men start from the same place and travel in opposite directions : one travels 3 miles an hour, and the other 4 miles an hour ; how far apart will they be at the end of 1 hour ? of 2 hours ? of 5 hours 
