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Lesson Topics Discussion Quiz: Class Homework

Example1

Title: Measurement

Grade Lesson s3-p1

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

Examples

Topics → Definition Example1 Example2 Example3

Find 100 was increased by 9%.

Step: 1

Firstly, the percent of fractional multiple.

The percentage sign % means percent, equivalent to the fraction of \$1/100\$.
\$9/100 × 100\$

Explanation:

Here 9% × 100. In this step, drop the % symbol and divide by 100 to convert a percentage into a fraction number.

Step: 2

After simplification \$9 × 100/100\$ = 9.
Add the result 9 to the original value i.e.,100 + 9 = 109.

Explanation:

After performing the calculation, the result is 9.The percentage value has increased to 109.