d = rt, so t = d/r, and the times are equal.
450/c = 350/(c + 20)
Cross multiply!
450(c + 20) = 350c
Solve for c for your answer. Go!
Jordan M.
asked • 12/15/20Analyzing Rational Functions
A car can travel 450km in the same time it takes a train to travel 350km. if the car's average speed is 20km/h faster than the average speed of the train, what is the average speed of the car on the trip?
The answer is 90km/h
Follow
•
1
Add comment
More
Report
1 Expert Answer
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
