Civil Service Exam Reviewer · Averages · hard
The average monthly salary of 20 employees is ₱19,000. When the manager's salary is included, the average rises by ₱2,000. What is the manager's salary?
- ₱21,000
- ₱59,000
- ₱42,000
- ₱61,000
Answer
D. ₱61,000
Solution
New total = 21 × ₱21,000 = ₱441,000. Old total = ₱380,000. Manager = ₱61,000.
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