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hello...
plz plz answer...
openchallenge..
also explain it.
GET 14 MARKS
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Let his initial salary be 'x'.
Given that his salary is increased by 15%. his new salary is 9936.
⇒ x + 15% of x = 9936
⇒ x + (15/100) * x = 9936
⇒ (100x + 15x)/100 = 9936
⇒ 115x = 993600
⇒ x = 993600/115
⇒ x = 8640.
Therefore, his initial salary is 8640.
Hope it helps!
Here's the answer:
Given,
%Increase in salary= 15%
New salary = ₹9936
Let Initial salary = x
[Note that x= 100% of x]
New salary = Initial salary+ (Initial salary × %Increase in salary)
•°• New salary = Initial salary(1 + %change)
Substitute values
9936= x(1+15%)
(15%= 15/100= 3/20=0.15)
{3/2 = 1.5; 3/20= 0.15}
9936= (1+1.15)x
9936= 1.15x
x= (9936×100)/115= 993600/115= 8640
•°• Initial salary x= ₹8640
°•°•°•°•°<><><><><><>•°•°•°•°•
Verification:
100%-------8640₹
15%---------k ₹
k= (8640×15)/100= 129600/100= 1296₹
Adding this to initial salary should give new salary
8640₹ + 1296₹=> 9936₹
Given data matched.
:)
hope it helps