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

### Instruction:
A class is 40% boys. The rest are girls. Every boy in class gets an 80% on the math test. Every girl gets a 90%. What is the class average on the test?

### Response:
 60% ya darasa ni wasichana kwa sababu 100% - 40% = 60%
Wastani wa darasa ni 86% kwa sababu .4(80) + .6(90) = 86