Question
Paul's colour printer takes 13 minute to print one large photograph. Paul set the colour printer to print 30 such large photographs continuously. What is the latest time Paul must start printing so that the photographs are printed by 8.20 p.m?
2 m

Click button first when a symbol is required. X

Paul's colour printer takes 13 minute to print one large photograph. Paul set the colour printer to print 30 such large photographs continuously. What is the latest time Paul must start printing so that the photographs are printed by 8.20 p.m?