Question
Tina was working in the school from 08 30 to 18 05. She had a 20 min morning break and a 40 min afternoon break. How much time did she spend in the school excluding the breaks? Give your answer in hours and minutes.
3 m

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Tina was working in the school from 08 30 to 18 05. She had a 20 min morning break and a 40 min afternoon break. How much time did she spend in the school excluding the breaks? Give your answer in hours and minutes.