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

### Instruction:
If Buzz bought a pizza with 78 slices at a restaurant and then decided to share it with the waiter in the ratio of 5:8, with Buzz's ratio being 5, what's twenty less the number of slices of pizza that the waiter ate?

### Response:
 Mhudumu alikula vipande 8.
Mhudumu alikula 8*78=<<8*78=624>>624 vipande.
Mhudumu alikula 624-20=<<624-20=604>>604 vipande.