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

### Instruction:
On Miss Lawrence's math exam, 80% of the 50 questions are problem-solving while the rest are multiple-choice questions. How many multiple-choice questions are there?

### Response:
 Kuna 50*(<<50*(=0.2>>0.2) = <<50*(=10>>10 maswali ya kuchagua.