Answer:
(a) The cost in dollars of all the main-floor seats that were sold: 42m + 25b. (b) The total number of seats that were sold for the performance: m+b.
Step-by-step explanation:
Its understood that 1 tickect is equal to 1 seat, therefore the number of seats = number of tickets regardless of the type of seat. With this assumption, the algebraic expressions can be done.