Question

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

Answer 1

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Hello I can help.
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Let his initial salary be x.

According to the problem:

x+(15/100)x = 9936
=> x+15x/100=9936
=>(100x+15x)/100=9936
=>115x=9936×100=993600
=>x=993600/115=8640

Answer: The person's initial salary was 8640 Rs.
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TO CHECK:

15/100×9936=1296

:. 9936-1296=8640 Rs.
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Thanks.
Hope it helps.
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Answer 2

Step-by-step explanation:

Let his initial salary be=x

ATQ

llllllllllllllllllllllllllllllllll

=x+(15/100)x=9936

=x+15x/100=9936

=(100x+15x)/100=9936

115x=9936×100=993600

=993600/115=8640