Races and Games
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times as fast as B. If A gives B a start of 80 m, how far must the winning post be so that A and B might reach it at the same time?
| Ratio of the speeds of A and B = | 5 | : 1 = 5 : 3. |
| 3 |
| 80 m will be gained by A in race of |  |
5 | x 80 |  m |
= 200 m. |
| 2 |
Winning post is 200 m away from the starting point.
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