Question 2
Four students take four tests, each worth at most 10 points. Some entries in their score table have been erased.
Table labels: Học sinh = Student; Bài 1–4 = Tests 1–4; Tổng = Total. The rows are An: (6, blank, blank, 8), total 23; Bình: (5, blank, 2, blank), total unknown; Chi: (blank, 9, blank, 10), total 36; Dũng: (8,5,6,1), total 20. Column totals are 29,26,20,24. What is Bình’s total score?
Table labels: Học sinh = Student; Bài 1–4 = Tests 1–4; Tổng = Total. The rows are An: (6, blank, blank, 8), total 23; Bình: (5, blank, 2, blank), total unknown; Chi: (blank, 9, blank, 10), total 36; Dũng: (8,5,6,1), total 20. Column totals are 29,26,20,24. What is Bình’s total score?