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

### Instruction:
 Kenny alicheza mpira wa kikapu wiki iliyopita. Aliendesha kwa muda mara mbili ya muda alioucheza mpira wa kikapu, na alijifunza kucheza tarumbeta kwa muda mara mbili ya muda aliouendesha. Ikiwa alijifunza kucheza tarumbeta kwa masaa 40, alicheza mpira wa kikapu kwa masaa mangapi wiki iliyopita?


### Response:
 Kenny aliendesha kwa masaa 40/2=<<40/2=20>>20.
Kenny alicheza mpira wa kikapu kwa masaa 20/2=<<20/2=10>>10.