SOLUTION: At a firefights' pankcake breakfast, the firefighters raised $1,395.00 by serving 345 people. The cost of an adult's ticket (a) to the pancake breakfast, was $5.00 and the cost of

Algebra ->  Finance -> SOLUTION: At a firefights' pankcake breakfast, the firefighters raised $1,395.00 by serving 345 people. The cost of an adult's ticket (a) to the pancake breakfast, was $5.00 and the cost of       Log On


   

Question 253673: At a firefights' pankcake breakfast, the firefighters raised $1,395.00 by serving 345 people. The cost of an adult's ticket (a) to the pancake breakfast, was $5.00 and the cost of a child's ticket (c) to the breakfast was $3.00. Which was the number of adult tickets sold?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
A+C=345 OR A=345-C
5A+3C=1,395
5(345-C)+3C=1,395
1,725-5C+3C=1,395
-2C=1,395-1,725
-2C=-330
C=-330/-2
C=165 CHILDREN'S TICKETS WERE SOLD,
345-165=180 ADULT TICKETS SOLD.
PROOF:
5*180+3*165=1,395
900+495=1.395
1.395=1,395