Problem
The table shows the test scores for a class of students. Given that the mean score was 5.35 , find \( x \) to the nearest whole number.
Solution
Step 1 ：\(\frac{(3x + 2x + 42)}{5} = 5.35\)
Step 2 ：\(5x + 42 = 5.35 * 5\)
Step 3 ：\(x \approx 2\)
