Arefrigerator costs $800 on an installment plan that requires a down payment of $140 and monthly payments for 12 months. what are the monthly payments of the plan?

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