Suppose you deposit $6000 in an account with an annual interest rate of 4%. If the interest in compounded monthly, what is the balance after 10 years?

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