# Math

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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 -

A. Using algebra
Let
A=number of adults who attended, then
36-A = number of children who attended
19A + 17(36-A) = 646
Solve for A.

B. Using arithmetic
If only adults went, ticket sales would have collected 36*19=\$684
For every child who went, sales would reduce by \$2.
So number of children=(684-646)/2=19

• Math -

19

• Math -

go

• Math -

poop!

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