Question

the salary of a person was increased by 15%.if his salary now is 9936,what was his initial salary​

Answer 1

$\huge\pink{\boxed{\mathcal{♡}{\purple{Heya}\pink{♡}}}}$

let the initial salary be x

$x + 15\% \: of \: x = 9936$

$\frac{x}{1} + \frac{15}{100} \times x = 9936$

$\frac{x \times 100}{1 \times 100} + \frac{15x}{100} = 9936$

$\frac{100 + 15x}{100} = 9936$

$\frac{115x}{100} = 9936$

$x = 9936 \times \frac{100}{115}$

$x = 20 \times 432$

$= > x = 8640$