Question
Riordan took 1 hr 30 min to paint a cupboard and 30 min less to paint a cabinet. He completed painting the cupboard and the cabinet at 11.25 a.m. At what time did he start painting?
2 m

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Riordan took 1 hr 30 min to paint a cupboard and 30 min less to paint a cabinet. He completed painting the cupboard and the cabinet at 11.25 a.m. At what time did he start painting?