The formula is A=p (1+r/k)^kt A amount of the withdrawal? P present value 4000 R interest rate 0.06 K compounded monthly 12 T time 2 years A=4,000×(1+0.06÷12)^(12×2) A=4,508.64
The ratio is: Chlorine : Water = 1 : 10 m ( Water ) = 15 ounces m ( Chlorine ) = x x : 15 = 1 : 10 10 x = 15 * 1 10 x = 15 x = 15 : 10 x = 1.5 ounces Answer: We need to add 1.5 ounces of Chlorine for the correct ratio.