Question
Pamela and Howard started driving from the same place towards the park at average speeds of 70 km/h and 120 km/h respectively. After some time, they were 80 km apart. How long had they been travelling? Give your answer in mixed number.
2 m

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Pamela and Howard started driving from the same place towards the park at average speeds of 70 km/h and 120 km/h respectively. After some time, they were 80 km apart. How long had they been travelling? Give your answer in mixed number.