The table shows the number of books read by 4 students in a month. If Lily read 9 books and Tom read 12 books, what is the total number of books read by all 4 students?
A 36
B 30
C 33
D 39
SAMPLE 2
A shop sold 15 apples on Monday, 22 on Tuesday, and 18 on Wednesday. The table shows the total apples sold from Monday to Wednesday. What number is missing from the table? Day: Monday (15), Tuesday (22), Wednesday (18), Total: ___.
A 55
B 45
C 50
D 60
SAMPLE 3
A shop sold 35 books on Monday, 28 on Tuesday, and 42 on Wednesday. The shop sold 15 more books on Thursday than on Tuesday. If the shop sold a total of 160 books from Monday to Friday, how many books were sold on Friday?
A 40
B 38
C 42
D 45
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