Answer:48
Step-by-step explanation:
4x12=48
Answer:
1620 people ride each week.
30 x 9 = 270
270 x 6 = 1620
f(x) = a - x
y = a - x
y + x = a - x + x
y + x = a
y + x - y = a - y
x = a - y
f-¹(x) = a - x
Answer:8300
