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Question

The average age of 5 people in a room is 30 years. An 18-year-old person leaves the room. What is the average age of the four remaining people?

Accepted Answer

Let x be the average of the remaining 4 people. The equation we get is 4x + 185 = 30 Simplify, 4x + 18 = 150 4x = 132 x = 33 Therefore, the answer is 33