SOLUTION: bob, driving a new ford, travels 330 miles in the same amount of time it takes john driving an old chevy and traveling 10 miles per hour faster, to travel 390 miles. how fast is jo

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: bob, driving a new ford, travels 330 miles in the same amount of time it takes john driving an old chevy and traveling 10 miles per hour faster, to travel 390 miles. how fast is jo      Log On


   

Question 566814: bob, driving a new ford, travels 330 miles in the same amount of time it takes john driving an old chevy and traveling 10 miles per hour faster, to travel 390 miles. how fast is john driving



ANSWER: John:65 mph... mhmm. I ACTUALLY ANSWERED the question.. so eat crap.
Found 2 solutions by solver91311, ScrewYouScience:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Let represent John's speed. Then must represent the other guy's speed.

The time it takes John to go 390 miles is and the time it takes the other guy to go 330 miles is . These two times are equal:



Solve for

John

My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism

Answer by ScrewYouScience(2) About Me  (Show Source):
You can put this solution on YOUR website!
ANSWER: John:65 mph... mhmm. I ACTUALLY ANSWERED the question.. so eat crap.