Percentages: The most useful statistics ever invented

To convert from a fraction or a proportion to a percentage you multiply by 100 and add a % sign. To convert from a percentage to a proportion you delete the % sign and divide by 100. That can in turn be converted to a fraction. For example, 1/4 multiplied by 100 is 25%. ... (177.3 centimeters, which is approximately 69.8 inches, or slightly ... ................
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