Mathematics

The time t required to drive a certain distance varies inversely with the speed r. If 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?


Answers

NishaBabieee

4 years ago Comment

2 hr/40 mph = x/45 mph

you cross multiply and divide and get 2.25 hours