SOLUTION: Two cars leave a gas station at the same time, one traveling north and the other south. The northbound car travels at 50 mph. After 3 hours the cars are 345 miles apart. How fast i
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Question 778228: Two cars leave a gas station at the same time, one traveling north and the other south. The northbound car travels at 50 mph. After 3 hours the cars are 345 miles apart. How fast is the southbound car traveling?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The cars are separating at the sum of their speeds
Let = the rate of the southbound car
I can say:
The southbound car is traveling at 65 mi/hr
check:
Northbound car:
Southbound car:
and
OK
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