How to make a formula?

I

id_olejka2019-01-23 21:14:13

Mathematics

id_olejka, 2019-01-23 21:14:13

A \u003d 15
B \u003d 6 C \u003d
Number A
C \u003d 5
I need to make a formula to find out how much % A * C-C will be from B
One line
100% / ((15 * 2) / 6) \u003d 20%
and now I need subtract 5(C) from 6
If you take it directly, it will be like this 100% / ((15 * 2) / 1) = 3%
but if you do it as I need, namely
100% / ((15 * 2) / 6- 5) = then excel swears at dividing by 0

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1 answer(s)

I

id_olejka, 2019-01-24
@id_olejka

100%/((15*2)/(6-5)) that's what I was looking for, thanks everyone