Question

the salary of an officer is increased by 20% by what percentage should the new salary be reduced to restore the original salary​

Answer 1

let salary be x
new salary= 120x/100 or 6x/5
to reduce x/5... x/5 is 100/6 % of 6x/5
(by cancelling)
$16 \frac{2}{3}$
is answer..