Final answer:
To write percents as decimals, divide the percent by 100. For 21.5%, the decimal is 0.215. For 22%, the decimal is 0.22.
Step-by-step explanation:
In order to convert a percent to a decimal, you need to divide it by 100.
For example, to convert 21.5%, you divide 21.5 by 100, which gives you 0.215. So, 21.5% as a decimal is 0.215.
Similarly, to convert 22% to a decimal, you divide 22 by 100, which equals 0.22. So, 22% as a decimal is 0.22.
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