SOLUTION: two planes travel toward each other from cities that are about 1463 km apart at rates of 340 km/hr and 310 km/hr. They started at the same time. in how many hours will they meet?

Question 629412: two planes travel toward each other from cities that are about 1463 km apart at rates of 340 km/hr and 310 km/hr. They started at the same time. in how many hours will they meet?
Answer by rajagopalan(174) (Show Source): You can put this solution on YOUR website!
Speed of Plane A=340
Speed of Plane B=-310
Approach velocity=speed 1+speed 2=340+310=650
Distance=1463 km
Time taken=distance/approach vel=1463/650=2.25 hr approx
The Planes will cross after about 2 hrs and a quarter.

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