<human>:  On national lipstick day, half of the students who attended class wore colored lipstick. Of those students who wore lipstick, one quarter wore red lipstick. There were one-fifth as many students wearing blue lipstick as were wearing red lipstick. If 200 students attended school that day, how many wore blue lipstick?
<bot>: How many students wore colored lipstick? ** Of 200 students who attended class, half wore colored lipstick, or 200/2=<<200/2=100>>100 students wore colored lipstick.
How many students wore red lipstick? ** Of those students who wore lipstick, one quarter wore red lipstick, or 100/4=<<100/4=25>>25 students wore red lipstick.
How many students wore blue lipstick? ** Since there were one-fifth as many students wearing blue lipstick as were wearing red lipstick, then 25/5=<<25/5=5>>5 students wore blue lipstick.
#### 5