Question
Jack took 2 h 30 min to paint a cabinet and 20 min less to paint a chair. He completed painting the cabinet and the chair at 5.20 p.m. At what time did he start painting?
2 m

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Jack took 2 h 30 min to paint a cabinet and 20 min less to paint a chair. He completed painting the cabinet and the chair at 5.20 p.m. At what time did he start painting?