Mega Movies hosted a film premiere on Friday night. They charged $9 for adults and $5 for children. Ninety-seven adults and children attended, and $765 was made in ticket sales. How many children and how many adults went to the film premiere?
+934 Let's call adults a and children c. That means that a+c= 97 and 9a+5c= $765. Solving the system of equations we get a= 70 and c= 27. This means that there were 70 adults and 27 children.
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