Understand the problem: Understand the problem.We need to calculate 20% of 55. This means we need to find out what number is 20% of the total 55.
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%=20÷100=0.20
Multiply by total number: Multiply the decimal by the total number.Now, we multiply the decimal form of 20% by 55 to find out what 20% of 55 is.0.20×55=11
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