michelle needs 2 adult tickets and 4 tickets to go to an amusement park. they have more than 4 people in their group so they will receive a $50 discount. the adult ticket costs $39.99 each and the kid tickets cost 29.99. they will need to buy a parking ticket for $25. what is the total cost including the parking ticket?

step-by-step explanation:

de-gf

hj=3x+20

ji=15x-64

898.1666667

step-by-step explanation:

5389/6 = 898.1666667

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.