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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
AN INTELLECTUAL ARITHMETIC, WITH AN INTRODUCTION TO WRITTEN ARITHMETIC. - Σελίδα 40
των A. WALTON, ELECTRA N. L. WALTON - 1869
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## Manual of Intellectual Arithmetic: An Independent Treatise Upon the Basis of ...

Benjamin Greenleaf - 1881
...is 8 times 8 than 7 times 9 ? 6. How much more is 8 times 9 than 10 times 7? Than 6 times 12 ? 7. If two men start from the same place, and travel in opposite directions, the one traveling at the rate of 3 miles an hour, and the other at the rate of 4 miles an hour, how...

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...cows at \$45 each, and 3 horses at \$162 each. He sold the whole for \$ 2500 ; how much did he gain ? 32. Two men start from the same place and travel in opposite directions, the one at the rate of 32 miles a day, and the other at the rate of 34 miles a day. How far apart will...

## First Lessons in Arithmetic, Oral and Written: Illustrated for Primary Schools

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...man is 72 miles from home and travels 6 miles an hour, how long will it take him to reach home ? 10. Two men start from the same place and travel in opposite directions, one going 6 miles an hour, the other 5 miles an hour ; how far apart will they be in 10 hours ? 11. At...

## A Complete Graded Arithmetic: Oral and Written Upon the Inductive Method of ...

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## Complete Graded Arithmetic, Oral and Written: Upon the Inductive Method of ...

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