Two jets start out at two different airports. The jets are 3 858 km apart. The jets start flying towards each other. One jet is flying at 259 km/h and the other jet at 384 km/h.If both jets started their journey at the same time, how long will they take to pass each other?

해법

Tw o j e t s s t a r t o u t a t tw o d i ff ere n t ai r p or t s . T h e j e t s a re 3858 km a p a r t . T h e j e t s s t a r t f l y in g t o w a r d s e a c h o t h er . O n e j e t i s f l y in g a t 259 km / h an d t h e o t h er j e t a t 384 km / h . I f b o t h j e t s s t a r t e d t h e i r j o u r n ey a t t h e s am e t im e, h o w l o n g w i ll t h ey t ak e t o p a ss e a c h o t h er ?

time : 6

솔루션 단계

Translate the problem into an equation:

259 x + 384 x = 3858

x

해결 대상

, 259 x + 384 x = 3858 : x = 6

time : 6