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Popular 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?

Solución

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 ?

Solución

first trai n^{'} s speed : 82

second trai n^{'} s speed : 93

Pasos de solución

Translate the problem into an equation:

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

Resolver para

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

Hallar speed

first trai n^{'} s speed : 82

second trai n^{'} s speed : 93

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