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 Βιβλία Βιβλία 111 - 120 από 166 για miles an hour and the other at the rate of 40 miles an hour ; how far apart will....
miles an hour and the other at the rate of 40 miles an hour ; how far apart will they be at the end of 2 hours
AN INTELLECTUAL ARITHMETIC, WITH AN INTRODUCTION TO WRITTEN ARITHMETIC. - Σελίδα 131
των A. WALTON, ELECTRA N. L. WALTON - 1869
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New Franklin Arithmetic, Βιβλίο 1

...go in opposite directions, one at the rate of 16£ miles an hour, and the other at the rate of 19^ miles an hour. How far apart will they be at the end of an hour ? MULTIPLICATION OF FRACTIONS. 140. To multiply a fraction by aa integer. Illustrative Examples.—Find...

The New Advanced Arithmetic

John Williston Cook, Nebraska C. Cropsey - 1896 - 393 σελίδες
...time and travel on the same road. A travels at the rate of 26 miles an hour, and В at the rate of 39 miles an hour. How far apart will they be at the end of 6 hours? If В should then stop, and A should travel at B's rate, how long would it take him to overtake...

The Indiana School Journal, Τόμος 41

1896
...walk in opposite directions. One walks at the rate of 5 miles an hour, and the other at the rate of 7 miles an hour ; how far apart will they be at the end of 12 hours. VI. The children seemed to appreciate their own ability, and when any work was suggested...

A Mental Arithmetic

George Albert Wentworth - 1896 - 190 σελίδες
...and B start from the same spot and walk in opposite directions. If A walks 3f miles an hour and B 2f miles an hour, how far apart will they be at the end of an hour ? Lesson 44. Ex. 1. What is the difference between 2f and 1£ ? Solution : f — i = f —...

New Plane and Spherical Trigonometry, Surveying and Navigation

George Albert Wentworth - 1896 - 376 σελίδες
...and move along straight tracks that form an angle of 30°, one train at the rate of 30 miles an hour, the other at the rate of 40 miles an hour. How far apart are the trains at the end of half an hour ? a + ft - 35. a — b — 5. A + Б - 150°. i(A + B) =...

The Rand-McNally Primary Arithmetic: Principles and Processes Derived by ...

Edwin Crawford Hewett - 1896 - 253 σελίδες
...walk in opposite directions, one at the rate of 3£ miles an hour, and the other at the rate of 3£ miles an hour. How far apart will they be at the end of 9 hours? 71. A man bought a piece of land at \$36 an acre, paying \$2,844 for it; he sold it at \$44 an...

Plane Trigonometry, Surveying and Tables

George Albert Wentworth - 1896 - 307 σελίδες
...and move along straight tracks that form an angle of 30°, one train at the rate of 30 miles an hour, the other at the rate of 40 miles an hour. How far apart are the trains at the end of half an hour? 19. In a parallelogram given the two diagonals 5 and 6,...

The Educational Record of the Province of Quebec: The Medium ..., Τόμος 16

1896
...place and travel different ways; one travels two miles in an hour; the other travels three miles in an hour ; how far apart will they be at the end of one hour ? How far at the end of two hours ? How far at the end of three hours ? How far at the end...

Graded Lessons in Arithmetic: Book IV

Wilbur Fisk Nichols - 1897
...same place, and travel in the same direction. One travels at the rate of 8 miles an hour, the other 11 miles an hour. How far apart will they be at the end of 20 hours ? 13. What is the cost of 9 cows, at \$25 each? 14. How much will 19 pencils cost, at 5/ each...

The Williams & Rogers Mental Arithmetic ...

James M. Cook - 1897
...point travel in opposite directions, one at the rate of 6 miles an hour, the other at the rate of 5 miles an hour; how far apart will they be at the end of 11 hours? SOLUTION. — Since they travel in opposite directions, they will be as far apart at the...