Question 720940: Adult tickets for a game cost $6 each and student tickets cost $3 each. A total of 1040 tickets worth $5400 were sold. How many student tickets were sold? (Chart would help number x price = cost)
Answer by checkley79(3341)   (Show Source):
You can put this solution on YOUR website! A+C=1,040
A=1,040-C
NOW REPLACE A IN THE FOLOWING EQUATION & SOLVE FOR C.
6A+3C=5,400
6(1,040-C)+3C=5,400
6,240-6C+3C=5,400
-3C=5,400-6,240
-3C=-840
C=-840/-3
C=280 CHILDREN TICKETS WERE SOLD.
A+280=1,040
A=1,040-280
A=760 ADULT TICKETS WERE SOLD.
PROOF:
6*760+3*280=5,400
4,560+840=5,400
5,400=5,400
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