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=23A
9A+8(23A)=193
9A+1848A=193
184+A=193
A=9
C=23A
C=239
C=14
14 Children attended the play

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