At a gas station where people can pay in cash or by credit card, 20% of people pay by credit card and 80% of people pay cash. a gallon of gas costs $4.00 if paid by card and $3.50 if paid by cash. what is the expected revenue for a gallon of gas sold at this station?

answer: hey there,

the answer you are looking for is a..

hope this you!

7

step-by-step explanation:

i'm assuming you need to figure out how many campers go into each tent.

i got the answer by:

24+4=28

28/4=7  

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)