Skip to content / Đến nội dung
ThichHocToan.com

SASMO 2021 Grade 9 Question 3

SASMO · SASMO 2021 Grade 9

Question 3

Given $8\lt 2y+6\lt 20$ and $0\le x+10\le10$, find the greatest possible value of $xy$.
  1. 70
  2. 60
  3. 63
  4. 54
  5. None of the above