Two trains leave stations 375 miles apart at the same time and travel toward each other. One train travels at 90 miles per hour while the other travels at 80 miles per hour. How long will it take for the two trains to meet?

Lösung

Tw o t r ain s l e a v e s t a t i o n s 375 mi l es a p a r t a t t h e s am e t im e an d t r a v e l t o w a r d e a c h o t h er . O n e t r ain t r a v e l s a t 90 mi l es p er h o u r w hi l e t h e o t h er t r a v e l s a t 80 mi l es p er h o u r . Ho w l o n g w i ll i t t ak e f or t h e tw o t r ain s t o m ee t ?

time : 2 \frac{7}{34}

Schritte zur Lösung

Translate the problem into an equation:

90 x + 80 x = 375

Löse nach

x, 90 x + 80 x = 375 : x = \frac{75}{34}

Wandle unechte Brüche in gemischte Zahlen um

time : 2 \frac{7}{34}