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Formulate the following problems as a pa...

Formulate the following problems as a pair of equations, and hence find their solutions. :- Roohi travels 300 km to her home partly by train and partly by bus. She takes 4 hours if she travels 60 km by train and the remaining by bus. If she travels 100 km by train and the remaining by bus,she takes 10minutes longer. Find the speed of the train and the bus separately

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