Finding common percentages
2:52
Khan AcademySal Khan
Finding common percentages
Calculating percentages in your head is a valuable skill. Common percentages like 1%, 10%, 20%, 25%, 50%, and 400% can be easily converted into fractions (e.g., 1% = 1/100, 10% = 1/10). To find the percentage of a number, simply multiply or divide by the corresponding fraction, making mental math quick and efficient.
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