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

### Instruction:
Melissa bought 4 packs of tennis balls for $24 in total. Each pack contains 3 balls per pack. How much did it cost Melissa for each tennis ball?

### Response:
 Kuna pakiti 4 za mipira ya tenisi ambapo kila pakiti ina mipira 3. 4 * 3 = <<4*3=12>>12 mipira
Melissa alitumia jumla ya $<<24=24>>24 kwa jumla ya mipira 12. $24 / 12 = $<<24/12=2>>2 kwa mpira