004 Sample Final A, Problem 12

Set up, but do not solve the following word problem. Two private airplanes travel toward each other from cities that are 780 km apart at speeds of 190 km/hr and 200 km/hr. They left at the same time. In how many hours will they meet?

Foundations
Answer:

Solution:

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Step 2:

Step 3:

Step 4:

Final Answer:

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