SOLUTION: On a 5 hr trip thomas drove part of the time at 30mph and the rest 55 mph. if he traveled a distance of 250 miles, how much time did he spend driving at 55mph?

Question 117573: On a 5 hr trip thomas drove part of the time at 30mph and the rest 55 mph. if he traveled a distance of 250 miles, how much time did he spend driving at 55mph?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
The standard formula for straight line trips is .

He traveled some distance at 55 mph for some time and he travelled some distance at 30 mph for the rest of the 5 hours, or . These two distances add up to 250 miles.

, and
, and

So he travelled for 4 hours at 55 mph, and 1 hour (5 - 4) at 30 mph
Check the answer:

, and
, check.
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