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

### Instruction:
Mr. Roper cuts his lawn 15 days a month beginning in April and ending in September.  From October to the end of March he cuts his lawn three times a month.  What is the average number of times that Mr. Roper cuts his yard per month?

### Response:
 Kwa miezi 6 ya mwaka, anakata nyasi zake mara 15 kwa mwezi, hivyo anakata nyasi zake mara 6*15 = <<6*15=90>>90.
Anakata nyasi zake mara tatu kwa mwezi kwa miezi 6 iliyobaki, hivyo anakata nyasi zake mara 6*3 = <<6*3=18>>18.
Jumla ya nyasi anazokata ni 90+18 = <<90+18=108>>108.
Kuna miezi 12 katika mwaka na anakata nyasi zake mara 108, hivyo anakata nyasi zake kwa wastani mara 108/12 = <<108/12=9>>9 kwa mwezi.