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Video shows how to easily solve percentage and looks at conve. This is not as hard it sounds. Support free math.
Use this trick to instantly. Can you calculate 85 percent of 24 in your head. To find 5%, 10% and divide it in two.
This video tutorial on percentages made easy explains how to calculate the percentage of a number mentally using your head without calculator. Percentages can be done mentally both accurately and rapidly using this trick. To support free by tecmat.
Made easy with the cool math trick. If know how to halve numbers and divide by 10 probably do this. Percentages can be done mentally as quickly you work out basic multiplication.