a high school play costs an up front $30,000 to produce, plus an additional cost of $1000 for each performance. every sold out p
erformance of the play brings in $2500 of revenue to the school. how many sold out performances are needed so that the school breaks even on the production of the play
When mathematics quantities are generalized into letters or variables, then we are dealing with algebra.
We are said the cost of an adult's ticket into a theme park is $a and a child's ticket costs $c. Since both quantities are unknown, we must treat them as variables and use the same logic procedure to solve the problem as if they were numbers.
The total cost for an adult and a child is the sum of both individual costs, thus