Posted by **bell** on Monday, November 16, 2009 at 12:36pm.

Adult tickets for a play cost $19 and child tickets cost $17. If there were 36 people at a performance and the theatre collected $646 from ticket sales, how many children attended the play?

- math -
**PsyDAG**, Tuesday, November 17, 2009 at 12:06am
Let a = adults and c = children.

a + c = 36 total attendance, then

a = 36 - c

19a + 17c = $646 total ticket sales

Substitute (36-c) for a in the second equation and solve for c.

I'll let you do the calculations.

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**Randy**, Monday, February 3, 2014 at 7:33pm
C=19

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**obed obia**, Tuesday, December 16, 2014 at 7:08pm
Which expression shows the cost of one adult

admission ticket and 9 thrill ride tickets?

A $15 + (9 × $3)

B $12 + (9 × $3)

C $15 + (9 + $3)

D ($15 × 9) + $3

- math -
**obed obia**, Tuesday, December 16, 2014 at 7:09pm
b

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