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

### Instruction:
 Nancy anaweza kucheza hula hoop kwa dakika 10. Casey anaweza kucheza hula hoop dakika 3 chini ya Nancy. Morgan anaweza kucheza hula hoop mara tatu ya Casey. Morgan anaweza kucheza hula hoop kwa muda gani?


### Response:
 Nancy anacheza hula hoop kwa dakika 10.
Casey anacheza hula hoop kwa dakika 10-3=<<10-3=7>>7.
Morgan anacheza hula hoop kwa dakika 7*3=<<7*3=21>>21.