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

### Instruction:
On Tuesday last week, Leo dropped off 10 pairs of trousers and some shirts at Sudsy Laundry. He was given a bill of $140, charged at $5 per shirt and $9 for each pair of trousers. When he went to pick up his clothes yesterday, the attendant insisted that he had only dropped off 2 shirts. Leo reported the matter to the manager, who ordered the attendant to search for the rest of Leo’s shirts. How many shirts were missing?

### Response:
 Hebu S iwe idadi ya fulana zilizopotea.
Msaidizi anasisitiza kuwa fulana 2 zilipelekwa.
Leo alitozwa $140.
Jozi 10 za suruali ziligharimu $10 * 9 = <<10*9=90>>90 dola.
Gharama iliyobaki ni kwa ajili ya fulana, ambayo ni $140 - 90 = <<140-90=50>>50 dola.
Fulana S inagharimu $5 * S = <<5*S=50>>50 dola.
Hivyo, S = 50 / 5 = <<50/5=10>>10 fulana zilizopotea.