MATHEMATICS

JAMB 2009 - Question 41

Mathematics 2009 JAMB Past Questions - Question 41: No of Days 1 2 3 4 5 6No of students 20 2x 60 40 x 50 The distribution above shows the number of days a group of 260 students were absent from school in a particular term.How many student were absent for at least four days in the term?

Choose the correct answers from the options given.
No of Days 1 2 3 4 5 6No of students 20 2x 60 40 x 50 The distribution above shows the number of days a group of 260 students were absent from school in a particular term.How many student were absent for at least four days in the term?
No of Days 1 2 3 4 5 6No of students 20 2x 60 40 x 50 The distribution above shows the number of days a group of 260 students were absent from school in a particular term.How many student were absent for at least four days in the term?
A:
B:
C:
D:
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Correct Answer

A

Explanation

3x + 170 = 2603x = 260 - 1703x = 90 x = 30therefore 20 + 2x + 60 +40 = 180