The admission for a school play is $3.50 for children and $9.00 for adults. on a certain day, 312 people attended the play, and the total money collected from sales was $1884. How many children and how many adults were admitted?

Answer 1

C = # children
A = # adults
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A + C = 312
9.00A + 3.50C = 1884

Solve these two equations simultaneously for A and C.
Post your work if you get stuck.