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No of Days123456No of students202x6040x50 The d... - JAMB Mathematics 2009 Question

No. of Days123456
No. of students202x6040x50

The distribution above shows the number of days a group of 260 students were absent from school in a particular term. How many students were absent for t least four days in the term
A
180
B
120
C
110
D
40
correct option: b

20 + 2x + 60 + 40 + x + 50 = 250

170 + 3x = 260

3x = 260 - 170

3x = 90

x = 90/3 = 30

At least 4 days

4 days = 40

5 days = 30

6 days = 50

Total = 120

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