Brock is training for a Crossfit competition. He began the training completing pull-ups and box jumps origanally, his training p

lan had him completing and box jumps at a ratio of 5:4 After two months of his training , he decided to focus on his leg strength and adjusted his ratio 2:7. If he completed 63 box jumps at the end of his training , how many pull-ups and hos box jumps at the of his training, how many pull-ups did he completed in the initial stage of training