Answer:

Step-by-step explanation:
A certain NYC taxi driver has decided to start charging a rate of r cents per person per mile
rate is cents . convert it in to dollars
1 cent = 1/100 dollars
r cents = r/100 dollars
Each people travels x miles
cost is 
For 3 people the cost is

Discount is 50%, so we divide by 2

11-8=3 where as 2+1=3
I did something like this before but there are other teaching methods that his teacher might be using so I apologize if I am incorrect. :)
15 + 8 = 7, X = 8. X equals 8.
Angle C is 40degree
Then Angle B is supposed to be 180-90-40 which will be 50 degree