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 (36c) for a in the second equation and solve for c.
I'll let you do the calculations.

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

math  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

math  ashley, Thursday, October 15, 2015 at 8:45am
42
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