Question

4. The mean age of 15 workers in a school is 42. The ages of the workers
are 35, 42, 48, X, X+8, 40, 43, 50, 46, 50, 37, 32, 38, 41, 40 (in years).
Find the value of X and unknown ages of the two workers?​

Answer 1

Step-by-step explanation:

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Answer 2

1. x+x+8÷2=42
2. 2x+8=42 ×2
3. 2x+8=84
4. 2x=84--8
5. 2x=76
6. x=76÷2
7. x=38
8. x+8=46

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