Question

a companys sales decreased 12 % this year to 7441.what were their sales last year ?

Answer 1

let the sales of previous year is x

And % decrease is 12%

Sales for this year is 7441.

So:

$\begin{gathered} x-\frac{12}{100}x=7441 \\ x-0.12x=7441 \\ 0.88x=7441 \\ x=\frac{7441}{0.88} \\ x=8455.68 \end{gathered}$

Hence the sale of previous year is 8455.68 and approx to 8456.