What the sum of thirty and fifteen

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?