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Lesson Topics Discussion Quiz: Class Homework

Example1

Title: Percentage Increase

Grade Lesson s3-l3

Explanation: The best way to understand SAT-4 is by looking at some examples. Take turns and read each example for easy understanding.

Examples

Topics → Definition Example1

Find 100 was increased by 9%.

Step: 1

Firstly, the percent of fractional multiple.
\$9% of 100\$

Explanation:

Here \$9% \times 100\$.

Step: 2

The percentage sign % means percent, equivalent to the fraction of \$1/(100)\$.

\$(9/100) \times 100\$

Explanation:

In this step, drop the % symbol and divide by 100 to convert a percentage into a fraction number.

Step: 3

After simplification,\$(9\times\cancel100^1)/\cancel100^1\$ = 9

Explanation:

After performing the calculation, the result is 9.

Step: 4

Add the result from 1c to the original value i.e.,100 + 9 = 109.

Explanation:

The percentage value has increased to 109.