Question

the salary of a person was increased by 15% if his salary now is in 9936 what was his initial salary explain step by step by doing in copy by not using x
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Answer 1

Answer:

8640

Step-by-step explanation:

Let his initial salary = x

Increament = 15%x

Present salary = 9936

A. T. Q

x + 15/100 x = 9936

115/100 x = 9936

23/20 x = 9936

x = 9936 ÷ 23/20

x = 9936 * 20/23

x = 8640

Hope it helps you.....

Answer 2

$\huge\purple{\fbox{\fbox{\red{\mathcal{Bonjour}}}}}$

let the initial salary be X

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

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

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

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

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

$= > x = 9936 \times \frac{20}{23}$

$= > x = 432 \times 20$

$= > x = 8640(ans)$

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hope this helps you xD