Alexandra and Chi compete in an Olympic-type triathlon consisting of a 1.5 km swim, a 40 km bicycle ride, and a 10 km run. there are two transitions in the race were the participants take time to change from one mode of the race to another. their times from the race are shown below. how long does it take alexandra to complete the triathlon? write and solve a linear equation to model the total time. how long does it take chi to complete the triathlon if she also gets a flat tire that takes 10 minutes t fix? write and solve a linear equation to model the total time. who won the race? how did chi's flat tire affect the outcome? would the outcome have been different if it took 20 minutes for chi to fix the flat tire? exlpain NEED IT NOW HELP ME1