. The average salary of a group of unskilled workers is 10,000 and for a group of skilled workers is 15,000. Combines salary is 12,000. What is the percent of skilled workers?
A)40%
B)50%
C)60%
D)None of these

Question

Quizplus · Accepted Answer

To find the percentage of skilled workers, use the weighted average formula: (10,000x + 15,000y) / (x + y) = 12,000. Solving for the ratio y/(x+y) gives 40% skilled workers.

the Average Salary of a Group of Unskilled Workers