Suppose you deposit $7500 in a savings account that has an interest rate of 512%. If the interest is compounded monthly, what will the approximate balance of this savings account be after 3 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