Your equation should be
$4(40 tickets) + $5(X) = $400
160 +5x = 400
-160 -160
0 5x = 340
divide both sides by 5
5x/5 = 340/5
x = 68
so they need to sell 68 tickets at the door.
4(40) + 5(68) = 400
160 + 340 + 400
400 + 400
Not enough information to actually do the problem, please provide more.
Answer:
place your dots on the grid
Step-by-step explanation:
for example r would beeee uhm 3 y x 2
Answer: 138
Step-by-step explanation:
The answer is y=(1/20)x^2