Respuesta :

11 per hr....for 10 hrs = 11 * 10 = 110
that means the worker made 300 - 110 = 190 on commission

so 8% of what is 190
.08x = 190
x = 190/.08
x = 2375 <=== worker has to make this in sales

check...
11(10) + .08(2375) =
110 + 190 = 300