Introduction to percentage — lesson. Mathematics CBSE, Class 8.

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In the previous chapter, we studied about basics of percentage, and it's conversion methods. Now We will take a look at the practical problems of percentage.

The term "percent" means per hundred or for every hundred. This term has been derived from the Latin word per centum.
The symbol ( $\%$ ) is used for the term percent.

Example:

71 percent is written as 71

$\%,$ and it means that "71 out of

$100$ ".

Fractional Equivalents of Commonly used Percentages:

$1$ $\%$ $=$ $1/100$	$2$ $\%$ $=$ $1/50$	$4$ $\%$ $=$ $1/25$	$5$ $\%$ $=$ $1/20$
$8$ $\%$ $=$ $2/25$	$10$ $\%$ $=$ $1/10$	$12$ $\%$ $=$ $3/25$	$15$ $\%$ $=$ $3/25$
$16$ $\%$ $=$ $4/25$	$20$ $\%$ $=$ $1/4$	$25$ $\%$ $=$ $1/4$	$40$ $\%$ $=$ $2/5$
$50$ $\%$ $=$ $1/2$	$60$ $\%$ $=$ $3/5$	$75$ $\%$ $=$ $3/4$	$80$ $\%$ $=$ $4/5$

$1$

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1. Introduction to percentage

Theory: