Posted by **T** on Sunday, July 29, 2007 at 9:05pm.

Adult tickets for a play cost $9 and child tickets cost $8. If there were 23 people at a performance and the theater collected $193 from ticket sales, how many children attended the play?

A = number of adults

C = number of children

Set up two equations.

A + C = 23

9A + 8C = 193

Solve the equations simultaneously to find A and C.

- Algebra -
**jerard**, Tuesday, August 28, 2007 at 11:19am
C=23-A

9A+8(23-A)=193

9A+184-8A=193

184+A=193

A=9

C=23-A

C=23-9

C=14

14 Children attended the play

- Algebra -
**Anonymous**, Thursday, March 17, 2016 at 5:41pm
Joe Keeps only $5-bills and $20-bills in his piggy bank. If he has 216bills that worth $2865, how many $5- bills are in the bank

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