Posted by Monica on Monday, June 24, 2013 at 4:18pm.
Children's tickets to a movie cost $7. Adult tickets cost $12. If 275 tickets were sold for a total of $2490.00, how many of each type were sold?

math  Kuai, Monday, June 24, 2013 at 4:29pm
Let adult A and children C
A + C = 275
12A + 7C = 2490
Substituting
A = 275 C
12(275 C) + 7C = 2490
3300 12C + 7C = 2490
3300 5C = 2490
33003300 5C = 2490  3300
5C = 810
C = 162
A = 113

math  Monica, Monday, June 24, 2013 at 4:40pm
Excellent! Thank you Kuai!

math  Kuai, Monday, June 24, 2013 at 5:38pm
You're welcome.

math  tierra perkins, Wednesday, March 19, 2014 at 11:41am
c 162
a 113
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