No, John is incorrect.
<h3>
Correct work shown:</h3>








The correct answer should be x = 7 or x = -1
Answer:
2.9375% Rounded or 2.94% not rounded
Step-by-step explanation:
The constant of proportionality (r) appears to be 3.
y = 3x . . . . . . . x = number of tickets sold; y = dollars collected