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| 1. |
A man walks from A to B and back in a certain time at the rate of 3.5 km per hour. But if he had walked from A to B at the rate of 3 km per hour and back from B to A at the rate of 4 km a hour, he would have taken 5 minutes longer. Find the distance between A and B: |
| Answer» Answer :7 km | |