Nary
14 1-2: mathxl for school:
practice and problem-
11 khan academy
to f
lesson
p
< reteach to build
in progress
- add
in pr
completed
0 in progress
completed
1.2.e1-4
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 where the participants take time to change from one mode of the race
to another. their times from the race are shown. complete questions 1 4 below.
ale
5
swim
transition 1
cycle
transition 2
run
15
3r
1. how long does it take alexandra to complete the triathlon? write a linear equation to model the total time t in hours.
swim
time
transition 1
time
cycle
time
transition 2
time
run
total
time
time
(simplify your answers.)
enter your answer in the edit fields and then click check answer