Answer:
3
clients who did Plan A and
2
who did Plan B. On Tuesday there were
8
clients who did Plan A and
4
who did Plan B. Linda trained her Monday clients for a total of
4
hours and her Tuesday clients for a total of
9
hours.
Explanation:
let x equal the number of hours for each plan A workout.
let y equal the number of hours for each plan B workout.
on monday, there were 3 clients who did plan A workout and 2 clients who did plan B workout for a total of 4 hours.
the formula for monday becomes 3x + 2y = 4
on tuesday, there were 8 clients who did plan A workout and 4 clients who did plan B workout for a total of 9 hours.
the formula for tuesday becomes 8x + 4y = 9
you have to solve these 2 equations simultaneously.
they are:
3x + 2y = 4
8x + 4y = 9
multiply both sides of the first equation by 2 and leave the second equation as is to get:
6x + 4y = 8
8x + 4y = 9