Answer:
7.19%
Step-by-step explanation:
let i be the effective rate
(This is a little difficult but I've got it)
((x - 45)/12) + 20 = 5(32 - x)
(I made the equation a little more complex than I should have but that equation should still work if you were to solve for x)
Seventy-eight point six
Answer: Jon has 1/5 left to paint
