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10.
Adult and student tickets were sold for the school play. The total receipts were $2005. The number
of student tickets sold was equal to three times the number of adult tickets sold decreased by 56. If
student tickets cost $3.50 and adult tickets cost $5.00, how many adult tickets were sold?

The number of adult tickets sold is 142

Step-by-step explanation:

Step 1:

Let the number of adult tickets sold be x. Then the number of student tickets sold = 3x - 56. Then, cost of adult tickets = 5x and the cost of student tickets = 3.50(3x - 56) = 10.5x - 196. Also, total receipts = $2005

Total cost = Cost of student tickets + Cost of adult tickets

⇒ 2005 = 10.5x - 196 + 5x

⇒ 2201 = 15.5x

⇒ x = 2201/15.5 = 142

answer: idk

step-by-step explanation: sry idk

in mathematics, a function is a relationship between two variables such that the value of one of the variables, called the dependent variable, is determined by the value of the other variable, called the independent variable. there is a specific term we use to describe the set of independent variables of a function.