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Beliebt Word Problems >

Two trains leave towns 700kilometers apart at the same time and travel toward each other. One train travels 11 kmh slower than the other. If they meet in 4hours. What is the rate of each train?

Lösung

Tw o t r ain s l e a v e t o w n s 700 ki l o m e t ers 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 11 kmh s l o w er t han t h e o t h er . I f t h ey m ee t in 4 h o u rs . Wha t i s t h e r a t e o f e a c h t r ain ?

Lösung

first trai n^{'} s speed : 82

second trai n^{'} s speed : 93

Schritte zur Lösung

Translate the problem into an equation:

x \cdot 4 + (x + 11) \cdot 4 = 700

Löse nach

x, x \cdot 4 + (x + 11) \cdot 4 = 700 : x = 82

Finde speed

first trai n^{'} s speed : 82

second trai n^{'} s speed : 93

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