Question

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

Answer 1

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let the initial salary be x

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

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

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

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

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

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

$x = 20 \times 432$

$= > x = 8640$

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Answer 2

Step-by-step explanation:

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