SOLUTION: A total of 720 people attended the school basketball game. Adult tickets cost $2.50 each and student tickets cost $1.50 each. If $1220 worth of tickets were sold how many students

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: A total of 720 people attended the school basketball game. Adult tickets cost $2.50 each and student tickets cost $1.50 each. If $1220 worth of tickets were sold how many students       Log On


   

Question 53760This question is from textbook
: A total of 720 people attended the school basketball game. Adult tickets cost $2.50 each and student tickets cost $1.50 each. If $1220 worth of tickets were sold how many students and how many adults attended? This question is from textbook

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
A+S=720 THEN A=720-S & 2.50A+1.50S=1220 OR SUBSTITUTING 720-S FOR A WE GET
2.50(720-S)+1.50S=1220 OR 1800-2.50S+1.50S=1220 OR -S=-580 OR S=580 STUDENT TICKETS SOLD. THEN THERE ARE 720-580=140 ADULT TICKETS SOLD.
PROOF 2.50*140+1.50*580=1220 OR 350+870=1220 OR 1220=1220