6. There are 40 students in class one, 36 of them participated in the activities of the school art troupe. What is the participation rate?
六、一班有40名同学，其中36人参加了学校艺术团的活动，参与率是多少．
<gadget id="calculator">36 / 40</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>