Understand the problem: Understand the problem.We need to calculate 20% of 85. This means we need to find out what number is 20% of the total 85.
Convert to decimal: Convert the percentage to a decimal.To calculate a percentage of a number, we first convert the percentage to a decimal. To convert 20% to a decimal, we divide 20 by 100.20%=10020=0.20
Multiply decimal by number: Multiply the decimal by the number.Now, we multiply the decimal form of the percentage by the number to find the part of the number that represents the given percentage.0.20×85=17
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