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

### Instruction:
Bonnie and Samuel went to the market together. Bonnie bought 8 apples. Samuel bought 20 more apples than Bonnie. Samuel then ate half of them and used 1/7 of them to make apple pie. How many apples does Samuel have left?

### Response:
 Samuel alinunua matofaa 8+20 = <<8+20=28>>28.
Samuel alikula matofaa 28/2 = <<28/2=14>>14.
Samuel alitumia matofaa 28/7 = <<28/7=4>>4 kutengeneza pai ya matofaa.
Samuel ana matofaa 28-14-4 = <<28-14-4=10>>10 yaliyobaki.