Use algebra to solve problems. A movie theater sold adult and child tickets for the midnight showing of The Calculator Re-turns! If it had sold five fewer adult tickets, then the number of adult tickets sold would have been three times the number of child tickets sold.
a. Let n represent the number of child tickets sold. Write an expression that tells how many adult tickets were sold.
b. Suppose 253 adult and child tickets were sold altogether. How many child tickets were sold? Solve this problem using algebra.
c. Suppose each adult ticket cost $11 and each child ticket cost $6. How much revenue did the theater generate in ticket sales?
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