Math, asked by shameem41, 4 months ago

A train can do a certain journey in 7 hours , if it travels at 36 kmh-1. If the train train travels at 42 kmh-1, it will take​

Answers

Answered by vasugoyal811
3

Answer:

6 hours

Step-by-step explanation:

1st Part

Given, Time= 7 hours

Speed= 36 kmh-1

Distance= Speed*Time

              = 36*7

              = 252 km

2nd Part

Given , if speed=42 kmh-1

Distance= 252 km [The same distance will be taken]

 

Time= Distance/Speed

       = 252/42

       = 6 hours

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