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受欢迎的 Word Problems >

Two jets are flying towards each other from airports that are 1200 km apart. One jet is flying at 250 km/h and the other jet at 350 km/h. If they took off at the same time, how long will it take for the jets to pass each other?

解答

Tw o j e t s a re f l y in g t o w a r d s e a c h o t h er f ro m ai r p or t s t ha t a re 1200 km a p a r t . O n e j e t i s f l y in g a t 250 km / h an d t h e o t h er j e t a t 350 km / h . I f t h ey t oo k o ff a t t h e s am e t im e, h o w l o n g w i ll i t t ak e f or t h e j e t s t o p a ss e a c h o t h er ?

解答

time : 2

求解步骤

Translate the problem into an equation:

250 x + 350 x = 1200

求解

x, 250 x + 350 x = 1200 : x = 2

time : 2

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