Mathematics
rich and his driving

Question Description

After driving along at a certain speed for 5 hours, Rich realizes he could have covered the same distance in 3 hours if he had driven 20 mi/h faster. What is his current speed?

Student has agreed that all tutoring, explanations, and answers provided by the tutor will be used to help in the learning process and in accordance with Studypool's honor code & terms of service.

Final Answer

Let x be current speed.

Distance covered in 5 hours =5x

If he had driven 20 miles faster, speed =x+20

He would have covered in 3 hours

3(x+20)=5x

3x+60 =5x

60 =2x

2x=60

x=30

His current speed = 30 miles per hour

madhavant (2757)
Carnegie Mellon University

Anonymous
I was stuck on this subject and a friend recommended Studypool. I'm so glad I checked it out!

Studypool
4.7
Trustpilot
4.5
Sitejabber
4.4