Answer:
1809.557368
Step-by-step explanation:
f(x) = 150-25x
200-50=150.
Take the 150 and insert it there.
Each lesson is $25, so you multiply 25 by 2 every lesson. Example= 150-25=125-25=100-75 and so on.
50%
8+3+4=15
15/3=5
5x10=50