Question
Billy's colour printer takes 13 minute to print one large photograph. Billy set the colour printer to print 15 such large photographs continuously. What is the latest time Billy must start printing so that the photographs are printed by 3.25 p.m?
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Billy's colour printer takes 13 minute to print one large photograph. Billy set the colour printer to print 15 such large photographs continuously. What is the latest time Billy must start printing so that the photographs are printed by 3.25 p.m?