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

### Instruction:
 Jayson akiwa na miaka 10, baba yake ni mara nne umri wake na mama yake ni miaka 2 mdogo kuliko baba yake. Mama ya Jayson alikuwa na umri gani alipozaliwa?


### Response:
 Jayson akiwa na miaka 10, baba yake ana umri wa 10 x 4 = <<10*4=40>>40.
Mama yake ana umri wa 40 - 2 = <<40-2=38>>38.
Jayson anapozaliwa, mama yake ana umri wa 38 - 10 = <<38-10=28>>28.