Brain Breaker

These two swimmers are both at one end of a 25 meter long pool. They both dive in at the same time and start swimming continuously. Swimmer A swims at a speed of 1,5 meter per second. Swimmer B has a speed of 1 meter per second. Can you find out how long it takes swimmer A to catch up with swimmer B? Can you also calculate what the distance is both these swimmers have swum at that point?

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