Understand the question: Understand what is being asked.We need to calculate 10% of the number 85. To find a percentage of a number, we multiply the number by the percentage expressed as a decimal.
Convert percentage to decimal: Convert the percentage to a decimal. 10% as a decimal is 0.10 because percent means per hundred, so 10% is 10 per 100 or 10010 which equals 0.10.
Multiply decimal by number: Multiply the decimal by the number.Now we multiply 0.10 by 85 to find 10% of 85.0.10×85=8.5
Check for errors: Check the math for errors.Re-evaluating the multiplication: 0.10×85 does indeed equal 8.5.
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