Shen the trainer has two solo workout plans that he offers his clients: Plan A and Plan B. Each client does either one or the other (not both). On Wednesday there were 3 clients who did Plan A and 8 who did Plan B. On Thursday there were 5 clients who did Plan A and 2 who did Plan B. Shen trained his Wednesday clients for a total of 7 hours and his Thursday clients for a total of 6 hours. How long does each of the workout plans last? Length of each Plan A workout: | | hour(s) X ? Length of each Plan B workout: hour(s)