Copy Center charges page for machine -fed copies and 20¢ per page for hand-fed copies. If Logan Kaminski's bill for 80 copies of his movie script is $13.00, how many copies of each type were made?

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning