HKIMO 2020 Grade 6 National Final (Heat) Set 01 Question 2

Take Alice’s brother’s age this year, subtract 5, multiply by 6, add 6, and divide by 9. The result is 24. How old is he this year?

Source glossary (English–Vietnamese): Age: tuổi; Minuses: trừ; Multiplies: nhân; Adds: cộng; Divided: chia; Result: kết quả.