The time it takes to cover the distance between two cities by car varies inversely with the speed of the car. The trip takes 15 hours for a car moving at 63mph. What is the speed of a car that makes the trip in 21 hours? MPH:
Added by Page M.
Step 1
This means that the product of the time and speed is a constant. So, we can write the equation as follows: 15 hours * 63 mph = 21 hours * x mph Show more…
Show all steps
Close
Your feedback will help us improve your experience
Manisha Sarker and 77 other Calculus 1 / AB educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
The time it takes to travel to a destination varies inversely with the average speed. It takes two hours when the average speed is 40 mph. If the average speed changes to 80 mph, what is the new travel time?
Victor S.
The time t required to drive a certain distance varies inversely with the speed r. It takes 2 hours to drive the distance at 40 miles per hour. How long will it take to drive the same distance at 45 miles per hour?
A truck covers a certain distance in 14 hours at the speed of 62 km/hr. What is the average speed of a car that travels a distance 280 km more than the truck in the same time?
Vysakh M.
Recommended Textbooks
Calculus: Early Transcendentals
Thomas Calculus
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD