SOLUTION: Breanne and Alison finished a 5 km fun run. Alison finished 400 m ahead of Breanne. Breanne ran at an average speed of 7.2 km/h.
What was Alison’s time for the race if she ran a
Algebra ->
Percentage-and-ratio-word-problems
-> SOLUTION: Breanne and Alison finished a 5 km fun run. Alison finished 400 m ahead of Breanne. Breanne ran at an average speed of 7.2 km/h.
What was Alison’s time for the race if she ran a
Log On
Question 978443: Breanne and Alison finished a 5 km fun run. Alison finished 400 m ahead of Breanne. Breanne ran at an average speed of 7.2 km/h.
What was Alison’s time for the race if she ran at a constant rate for the whole race? Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! Breanne and Alison finished a 5 km fun run. Alison finished 400 m ahead of Breanne.
Breanne ran at an average speed of 7.2 km/h.
What was Alison’s time for the race if she ran at a constant rate for the whole race?
:
Change 400 m to .4 km
Find the time for B to run. 4.6 km (400 m behind A)
t = 4.6/7.2
t = .6389 hrs; time for A to run 5k (38 min)
:
