Below is an instruction that describes a task. Write a response that appropriately completes the request in Swahili. Please answer in Swahili.

### Instruction:
At Roosevelt high school there are 600 students in the senior class. A fifth of the students are in the marching band. Of the students in the marching band, half of them play a brass instrument. Of the students that play a brass instrument, a fifth of them play the saxophone. Of the students that play the saxophone, a third of them play the alto saxophone. How many students play the alto saxophone?

### Response:
 Idadi ya wanafunzi kwenye bendi ya muziki ni 600 * 1/5 = <<600*1/5=120>>120 wanafunzi
Idadi ya wanafunzi wanaocheza ala za shaba ni 120 * 1/2 = <<120*1/2=60>>60 wanafunzi
Idadi ya wanafunzi wanaocheza saxophone ni 60 * 1/5 = <<60*1/5=12>>12
Idadi ya wanafunzi wanaocheza saxophone alto ni 12 * 1/3 = <<12*1/3=4>>4