A group of 4 students went to the movie theater. They each bought a ticket for $x and spent $10.50 each on snacks. A group of 3
adults went to the movie theater and paid twice as much for each of their tickets as each student. The group of adults also spent $10.00 each on snacks. The group of students spent the same amount as the group of adults. What is the cost of each adult ticket?
x+y+z=165 y=8/7x z=x+11 plug it in x+(8/7x)+(x+11)=165 2x+8/7x=154 22/7x=154 x=49 y=56 z=60 a skirt cost $49, a sweater cost $56, and a pair of shoes cost $60