A starting carpenter can build a rough table in 1 hour, and a rough chair in 45 minutes. A finishing carpenter can finish each t
able in 48 minutes and finish each chair in 1 hour. Both carpenters work for no more than 8 hours each day. This situation is modeled in the graph below, where x represents the number of tables, and y represents the number of chairs. Is it possible for the two carpenters to complete four tables and five chairs in a day?