Question
Albert took 2 h 40 min to paint a room and 30 min less to paint a chair. He completed painting the room and the chair at 5.45 p.m. At what time did he start painting?
2 m

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Albert took 2 h 40 min to paint a room and 30 min less to paint a chair. He completed painting the room and the chair at 5.45 p.m. At what time did he start painting?