help with this please

What is (28 + 7 + 6 + 3) x 1/2 show your work

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?