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© BrainMass Inc. brainmass.com March 4, 2021, 8:50 pm ad1c9bdddf
Let Lisa swam at the speed of x.
Time taken in swimming = distance/speed = 3/x
Speed of running = 2x
The word problem on linear equations is examined. Step by step solution is provided.