Two planes start out at two different airports. The planes are 2 584 km apart. The planes start flying towards each other. One plane is flying at 352 km/h and the other plane at 294 km/h.If both planes started their journey at the same time, how long will they take to pass each other?

Solution

Tw o pl an es 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 pl an es a re 2584 km a p a r t . T h e pl an es 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 pl an e i s f l y in g a t 352 km / h an d t h e o t h er pl an e a t 294 km / h . I f b o t h pl an es 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 : 4

Solution steps

Translate the problem into an equation:

352 x + 294 x = 2584

Solve for

x, 352 x + 294 x = 2584 : x = 4

time : 4