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

### Instruction:
There are many fish in the tank. One third of them are blue, and half of the blue fish have spots. If there are 10 blue, spotted fish, how many fish are there in the tank?

### Response:
 Ikiwa samaki 10 ni buluu na wenye madoa, basi kuna samaki 2*10=<<10*2=20>>20 buluu.
Ikiwa samaki 20 ni buluu, basi kuna samaki 3*20=<<3*20=60>>60 jumla, kwani thuluthi moja ya samaki ni buluu.