**Using multipliers to increase a number by a percentage.**

To increase a number by a percentage:

1.Change the percentage you're going to increase the number by into a decimal

2. Put a 1 before the decimal to make it 1 point something (look at example below)

3. Multiply the number that you have been told to increase by the decimal with 1 point...

EXAMPLE:

Increase 240 by 25%:

1. 25 % = 0.25

2.0.25 becomes 1.25

3. 1.25 * 240 = 300

CORBETTMATHS REFERENCE : VIDEO 238

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