Question
Mrs Ong left home at 7 a.m. and drove towards the city. 223 hour later, Mr Ong left the house and drove at an average speed of 103 km/h towards the city. When Mr Ong reached his destination at 1 p.m., Mrs Ong was 11 km away from the city. Find Mrs Ong’s average speed in km/h. Express your answer in mixed number.
3 m

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Mrs Ong left home at 7 a.m. and drove towards the city. 223 hour later, Mr Ong left the house and drove at an average speed of 103 km/h towards the city. When Mr Ong reached his destination at 1 p.m., Mrs Ong was 11 km away from the city. Find Mrs Ong’s average speed in km/h. Express your answer in mixed number.