Question

Solving a word problem using a system of linear equations of the form Ax + By = C.

Question:
Kaitlin the trainer has two solo workout plans that she offers her clients: Plan A and Plan B. Each client does either one or the other (not both). On Monday there were 4 clients who did Plan A and 8 who did Plan B. On Tuesday there were 2 clients who did Plan A and 3 who did Plan B. Kaitlin trained her Monday clients for a total of 9 hours and her Tuesday clients for a total of 4 hours. How long does each of the workout plans last?

I need to answer the following:
Length of each Plan A workout: ___ hours
Length of each Plan B workout: ___ hours