SOLUTION: Please help me solve this problem:
Tickets to a local movie were sold at $4 for adults and $2.50 for students. If 100 tickets were sold for a total of $355, how many adult tickets
Algebra ->
Systems-of-equations
-> SOLUTION: Please help me solve this problem:
Tickets to a local movie were sold at $4 for adults and $2.50 for students. If 100 tickets were sold for a total of $355, how many adult tickets
Log On
Question 717623: Please help me solve this problem:
Tickets to a local movie were sold at $4 for adults and $2.50 for students. If 100 tickets were sold for a total of $355, how many adult tickets were sold?
Thank you:) Answer by checkley79(3341) (Show Source):
You can put this solution on YOUR website! A+C=100
A=100-C
4A+2.5C=355
4(100-C)+2.5C=355
400-4C+2.5C=355
-1.5C=355-400
-1.5C=-45
C=-45/-1.5
C=30 CHILDREN'S TICKETS WERE SOLD.
A=100-30
A=70 ADULT TICKETS WERE SOLD.
PROOF:
4*70+2.5*30=355
280+75=355
355=355
(