I want to do this problem in 2 cells.
One cell I have the value 769.15 and the other the formula (answer)
From the 769.15 the 1st 100 I take 2.20 and the next 100 and on 0.60.. The answer must be 6,40. As the 2,20 + (7*0.60) = 6,40.
Any ideas please