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VTMO 2021 — Grade 2 — titan-cup Question 4

VTMO · VTMO 2021 — Grade 2 — titan-cup

Question 4

An and Binh’s ages total $16$. In how many years will the total be $30$?
  1. $5$
  2. $7$
  3. $10$
  4. $12$
  5. $14$