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

### Instruction:
Louise is organizing her pencils, and decides she wants her boxes arranged by color. Each box holds 20 pencils each. She has 20 red pencils, twice as many blue pencils, 40 yellow pencils, and has as many green pencils as she has red and blue pencils combined. How many boxes does Louise need?

### Response:
 Nyekundu: penseli 20
Buluu: 2*20=40 penseli
Kijani: 20+40=<<20+40=60>>60 penseli
Manjano: 40 penseli
Jumla: 20+40+60+40=<<20+40+60+40=160>>160 penseli
160/20=<<160/20=8>>8 madaftari