Question
Harry's colour printer takes 16 minute to print one large photograph. Harry set the colour printer to print 30 such large photographs continuously. What is the latest time Harry must start printing so that the photographs are printed by 7.20 p.m?
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Harry's colour printer takes 16 minute to print one large photograph. Harry set the colour printer to print 30 such large photographs continuously. What is the latest time Harry must start printing so that the photographs are printed by 7.20 p.m?