How to solve percentage, simple interest and perimeter
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Percentage means the no., amount etc.
i.e 1/100 of anything
To solve it
Example find the 50% of 500
as we have given the number 50/100 i.e 50%
we can Do it like
50/100×500
= 250
to find the simple interest we have a common formula that is p×r×t/100
where p=principle i.e amount
r= rate
t = time
perimeter is easily the sum of all sides whether it is a circumference of a circle or are all sides of a square
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