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Word problem on linear equation

Lisa participated in a triathlon in which she swam 3 miles ran 5 miles and then bicycled 10 miles. Lisa ran twice as fast as she swam and she cycled three times as fast as she swam. If her total time for the triathlon was 1 hour and 46 minutes then how fast did she swim

Solution Preview

Let Lisa swam at the speed of x.

Time taken in swimming = distance/speed = 3/x

Speed of running = 2x

Time ...

Solution Summary

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