If the attendance rate of a certain class is 95% today, what is the percentage of absentees in this class today?
某班今天的出勤率是95%，该班今天缺勤人数占出勤人数的多少
<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">1 - (19/20)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">(1/20) / (19/20)</gadget>
<output>1/19 = around 0.052632</output>

<result>1/19 = around 0.052632</result>