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

### Instruction:
Tom decides to make lasagna with all his beef.  It takes twice as many noodles as beef.  He has 10 pounds of beef.  He already has 4 pounds of lasagna noodles and the noodles come in 2-pound packages.  How many packages does he need to buy?

### Response:
 Anahitaji pauni 10*2=<<10*2=20>>20 za unga.
Hii inamaanisha anahitaji kununua pauni 20-4=<<20-4=16>>16 za unga.
Hii inamaanisha anahitaji kununua pakiti 16/2=<<16/2=8>>8.