Let x equal the number of adult tickets sold.
X + 3X=512
(I put 3x because we know the students sold 3 times as many).
Solve for X.
X+3X=512
4X=512
4X/4=512/4
X=128
Answer:
x = - 1/45.
Step-by-step explanation:
12 because the rest of the numbers are all similar except 12