Medals!

Question

Medals!

anonymous · Answer

The time t required to drive a certain distance varies inversely with the speed r. If it takes 4 hours to drive the distance at 40 miles per hour, how long will it take to drive the same distance at 55 miles per hour?

anonymous · Answer

About 2.91 hours
About 160.00 hours
About 22.00 hours
About 5.50 hours.

Im guessing b

aravindg · Answer

Guessing? Try to frame equations from the given word problem.

anonymous · Answer

Use the inverse relation and attempt to solve it, any 2 variables which vary inversely, have a factor which is given k, try finding the factor using given values, and then deriving the answer.
I have been reported for giving out answers. So all the best :)

anonymous · Answer

Well thank you!