# Algebra

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?

C = number of children
Set up two equations.
A + C = 23
9A + 8C = 193

Solve the equations simultaneously to find A and C.

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3. 👁 175
1. 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

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posted by jerard
2. 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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3. The Jurassic Zoo charges ​\$13

for each child. The total bill for the 152

people from a school trip was ​\$1096
.
How many adults and how many children went to the​ zoo?

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2. 👎 0
posted by jj

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