SOLUTION: Define two variables. Write two equations and then solve. Two airplanes travel toward each other from cities that are 780 km apart at speeds of 190 km/h and 200 km/h. They left a

Question 1066365: Define two variables. Write two equations and then solve.
Two airplanes travel toward each other from cities that are 780 km apart at speeds of 190 km/h and 200 km/h. They left at the same time. In how many hours will they meet?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
x, the time until they "meet".

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