HELP :( Every year, Kate and her sister attend 'The Nutcracker' at the Bloomington Ballet. Last year, orchestra seating cost $50 per ticket. This year, each ticket was 8% cheaper. What was the cost of each ticket this year?

Isabelle is mixing red and blue paint to make purple paint she adds 3/10 of a fluid ounce of red to 12/25 of a fluid ounce of blue to make 1 1/30 fluid ounces of purple how many fluid ounces of red paint ounces of red paint will she need to make 3 fluid ounces of purple paint