SOLUTION: A car passes another car on a freeway traveling 5m/h faster than the slower car. The faster car travels 340 miles in the time it takes the slower car to travel 315 miles. What is t
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Question 796735: A car passes another car on a freeway traveling 5m/h faster than the slower car. The faster car travels 340 miles in the time it takes the slower car to travel 315 miles. What is the speed of each car? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = the speed of the slower car = the speed of the faster car
Let = the time for both cars
------------------------------
Faster car's equation:
(1)
Slower car's equation:
(2)
----------------
(1)
and
(2)
----------------
By substitution:
(1)
(1)
(1)
(1)
and
(2)
(2)
(2)
The speed of the slower car is 63 mi/hr
The speed of the faster car is 68 mi/hr
check:
(1)
(1)
and
(2)
(2)
OK
