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

### Instruction:
 Jenna anaongeza alama nyeusi kwenye blauzi nyingi nyeupe. Kila blauzi inapata alama 20, na kila alama inachukua 10 ml ya rangi nyeusi. Jenna anahitaji kununua chupa ngapi za rangi ya ml 400 ili kuchora blauzi 100?


### Response:
 Kila blauzi inahitaji alama 20, hivyo blauzi 100 zitahitaji alama 100 x 20 = <<100*20=2000>>2000.
Kila alama inachukua 10 ml ya rangi, hivyo alama 2000 zitahitaji 2000 x 10 = <<2000*10=20000>>20000 ml ya rangi.
20000 ml ni sawa na lita 20, hivyo Jenna atahitaji lita 20 ya rangi kuchora blauzi 100.
Chupa moja ya ml 400 itatoa lita 0.4 ya rangi, hivyo Jenna atahitaji 20 / 0.4 = <<20/0.4=50>>50 chupa za rangi.