SOLUTION: This problem is a weighted average from my book. I managed to work quite a few and this one has me stumped. Please help. Pablo is driving 40mph. After he has driven 30 miles, h

Question 30307: This problem is a weighted average from my book. I managed to work quite a few and this one has me stumped. Please help. Pablo is driving 40mph. After he has driven 30 miles, his brother Rick starts driving in the same direction. At what rate must Rick drive to catch up with Pablo in five hours?
Thank You So Much.
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
The highest amount of time required is 5 hours.
Pablo travels at 40mph
40(30)=30(x-5)
1200=30x-150
1350=30x
x=45

Hence, Rick must travel at 45mph to catch up.
Paul.

RELATED QUESTIONS
My son brought home a few 6th grade algebra problems and I can not remember how to work... (answered by nyc_function,Alan3354,Earlsdon)

Help please. I understand how to get the answers from quadratic equations. My problem is... (answered by ankor@dixie-net.com,CharlesG2)

I need to know how to write a polynomial equation of least degree with roots -3i, 3i, i, (answered by scott8148)

Thank you for your help! Here's the problem: Student grades were based on weighted... (answered by scott8148)

This is a weighted average problem. Hope I chose the right section.... boat number one... (answered by checkley71)

Alright so I looked at this problem and thought it was quite simple from the way it was... (answered by Alan3354)

I have been working on this math problem and I got to working on it. Well, then I got... (answered by stanbon)

We are doing 1 step equations at our adult education class and I do not understand these... (answered by ankor@dixie-net.com)

Using the LCD to simplify Complex Fractions. This problem has me stumped, can you help ? (answered by Earlsdon,solver91311)