SOLUTION: The pta sold 310 tickets for their annual fundraising spaghetti supper. They brought in $1,320. If adult tickets cost $5.00 and student tickets cost $3.00 , how many of each type o

Algebra ->  Equations -> SOLUTION: The pta sold 310 tickets for their annual fundraising spaghetti supper. They brought in $1,320. If adult tickets cost $5.00 and student tickets cost $3.00 , how many of each type o      Log On


   

Question 964625: The pta sold 310 tickets for their annual fundraising spaghetti supper. They brought in $1,320. If adult tickets cost $5.00 and student tickets cost $3.00 , how many of each type of ticket was sold?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A%2BS=310
5A%2B3S=1320
Multiply the first equation by -5 and add to the second,
-5A-5S%2B5A%2B3S=-1550%2B1320
-2S=-230
S=115
Then,
A%2B115=310
A=195