Answer: C
Step-by-step explanation: x represents the number of classes, not the cost of classes.
D. 10
m<3 = 80 - (10) = 70
m<7 = 90 - (20) = 70
5 is Your answer,5 factors into 10 but none of the other choices do
Answer:
30
%
d
e
c
r
e
a
s
e
Step-by-step explanation:
