Answer:
Doubt I'm right but I'm gonna say 110%.
Answer:

Step-by-step explanation:
we have

Find the inverse
Let
y=f(x)

Exchange the variables (x for y and y for x)

Isolate he variable y
subtract 12 both sides

divide by 4 both sides

Let
g(x)=y
---> inverse of the function f(x)
X is the amount of money that each will pay
2x+(21.50*20/100) =21.50
2x+4.3=21.50
2x=17.2
x=8.6$ will pay each person
4/8+16=24? im confused on this statement