The table shows the scores of a group of students in a test. If the average score is 3.5, find the value of x
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
Correct Answer: Option B
Explanation:
1 + 8 + 15 + 24 + 12 + x/18 + x
= 3.5
120 + 10x = 126 + 7x
3x = 6
x = 2
1 + 8 + 15 + 24 + 12 + x/18 + x
= 3.5
120 + 10x = 126 + 7x
3x = 6
x = 2