SOLUTION: A bus traveled on a straight road for 2 hours at an average speed that was 20 mph faster than its average speed on a winding road.The time spent on the winding road was 3 hours. Fi
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Question 192839: A bus traveled on a straight road for 2 hours at an average speed that was 20 mph faster than its average speed on a winding road.The time spent on the winding road was 3 hours. Find the average speed on the winding if the total trip was 210 miles.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the average speed on the winding road
given:
hr
hr
----------------
mi/hr
and, since
mi/hr
The average speed on the winding road was 34 mi/hr
check answer:
mi
and
mi
and
mi
OK
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