 
<translate> Ka X bụrụ ọnụahịa tiketi ụmụaka. Ya mere, ọnụahịa tiketi ndị okenye bụ X * 2. Anyị maara site na nsogbu ahụ na 400 * X * 2 + 200 * X = 16,000. Mgbe anyị mụbara ya, anyị nwere 800 * X + 200 * X = 16,000. Na ijikọta okwu ndị yiri ya, anyị nwere 1000 * X = 16,000. Ikekọrịta akụkụ abụọ site na 1000, anyị nwere X = $ 16. Ọnụ ego tiketi ndị toro eto bụ $16 * 2 = $32. Azịza ya bụ: 32. <eng> Let X be the price of a child ticket. So the price of an adult ticket is X * 2. We know from the problem that 400 * X * 2 + 200 * X = 16,000. After multiplying, we have 800 * X + 200 * X = 16,000. Combining like terms, we have 1000 * X = 16,000. Dividing both sides by 1000, we have X = $16. The price of an adult ticket is $16 * 2 = $32. The answer: 32. 