Question
Tommy took 1 h 30 min to paint a tv console and 20 min less to paint a chair. He completed painting the tv console and the chair at 3.30 p.m. At what time did he start painting?
2 m

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Tommy took 1 h 30 min to paint a tv console and 20 min less to paint a chair. He completed painting the tv console and the chair at 3.30 p.m. At what time did he start painting?