Toni made a table that shows a relationship between the total number of apples and the number of boxes of apples each box has the same number of apples. Toni made an error in one row

Total number of apples | Number of boxes of apples

----------------------------------------------
10 | 2
20 | 4
30 | 6
40 | 8
50 | 10
60 | 11 (Error)