Question
David's colour printer takes 23 minute to print one large photograph. David set the colour printer to print 12 such large photographs continuously. What is the latest time David must start printing so that the photographs are printed by 8.20 p.m?
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David's colour printer takes 23 minute to print one large photograph. David set the colour printer to print 12 such large photographs continuously. What is the latest time David must start printing so that the photographs are printed by 8.20 p.m?