I’m back as usual with my tips and tricks, this time around, it’s a mathematics trick, precisely, percentage (%) tricks. They are tricks with which you can find 15 percent, i.e. 15% 20 percent i.e. 20% of any given whole number. Without wasting much time, I’ll start my explanation

Trick for finding 15 percent of any number
1. Choose a 2-digit number.
2. Multiply the number by 3.
3. Divide by 2.
4. Move the decimal point one place to the left.

Example:
1. If the number selected is 43:
2. Multiply by 3: 3 × 43 = 129
3. Divide by 2: 129/2 = 64.5
4. Move the decimal point one place to the left: 6.45
5. So 15% of 43 = 6.45.

See the pattern
1. If the number selected is 72:
2. Multiply by 3: 3 × 72 = 216
3. Divide by 2: 216/2 = 108
4. Move the decimal point one place to the left: 10.8
5. So 15% of 72 = 10.8.

Trick for finding 20 percent of any number
1. Choose a 2-digit number.
2. Divide the number by 5.

Example:
1. If the number selected is 38:
2. Divide by 5: 38/5 = 7.6
3. So 20% of 38 = 7.6.

See the pattern
1. If the number selected is 74:
2. Divide by 5: 74/5 = 14.8
3. So 20% of 74 = 14.8.


It's as simple as that! in my future posts, I'll be sharing more mathematics tricks. Hit the like button if you like these tricks and use the sharer tools below to share with friendsWidget on

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