Answer:
Since there is already an answer i will try to go more into depth about how it was solved.
Step-by-step explanation:
Using the basic equation S=d/t, where S is speed is in km/hr, d is distance in km, and t is time in hours, we can plug in the two separate pairs of known variables.
Pair 1:
S=d/t
82km/hr=293.8km/t
t=3.583hr
Pair 2:
S=d/t
48km/hr=194.4km/t
t=4.05hr
since the question is asking us for the total time, we can add these two together.
3.583hr+4.050hr=7.633hr
So she has traveled for a total of 7.633 hours
Hope this helps you understand the question a little more!