SOLUTION: At the movie theatre, child admission is $6.20 and adult admission is $9.30. On Sunday, twice as many adult tickets as child tickets were sold, for a total sales of $570.40. How ma

Algebra ->  Finance -> SOLUTION: At the movie theatre, child admission is $6.20 and adult admission is $9.30. On Sunday, twice as many adult tickets as child tickets were sold, for a total sales of $570.40. How ma      Log On


   

Question 1168047: At the movie theatre, child admission is $6.20 and adult admission is $9.30. On Sunday, twice as many adult tickets as child tickets were sold, for a total sales of $570.40. How many child tickets were sold that day?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
c number of children
2c number of adults

6.2c%2B9.3%2A%282c%29=570.4
%286.2%2B18.6%29c=570.4
c=570.4%2F24.8