There are 50 students in class 1 of the sixth grade, and 5 students ask for personal leave for participating in the model airplane competition. What is the attendance rate?
六年级1班有学生50人，5名同学因参加航模比赛请事假，出勤率是多少．
<gadget id="calculator">50 - 5</gadget>
<output>45</output>

<gadget id="calculator">45 / 50</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(9/10) * 1</gadget>
<output>9/10 = around 0.9</output>

<result>9/10 = around 0.9</result>