Posted by jyt on Sunday, August 10, 2014 at 4:11pm.
Adult tickets for a play cost $18 and child tickets cost $12. If there were 20 people at a performance and the theatre collected $246 from ticket sales, how many adults and how many children attended the play?

Math  Damon, Sunday, August 10, 2014 at 4:42pm
c + a = 20 so c = 20a
12 c + 18 a = 246
12(20a) + 18 a = 246
240 12 a + 18 a = 246 etc

Math  Jasmine, Saturday, May 28, 2016 at 12:41am
x = adults
20  x = children
18(x) + 12(20x) = 246
12x + 240  12x = 246
Simplify: 6x = 6
So x = 1 adult
20  1 = 19 children :)
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