In a school of 150 students, 80 offer French while 60 offer Arabic and 20 offer neither. How many students offer both subjects?
A
45
B
10
C
35
D
30
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
80 - x + x + 60 - x + 20 = 150
160 - x = 150
x = 160 - 150 = 10
Source: Myschool Past Questions Archive (Record #44747)