Mathematics · Average

The average age of 8 people is 50 years. A second group consists of 10 people whose average age is 70 years. When both groups are combined, what will be the average age of all the people?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

161.11 years✓
272.40 years
358.25 years
454.50 years

Correct answer

61.11 years

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The average age of 8 people is 50 years. A second group consists of 10 people whose average age is 70 years. When both groups are combined, what will be the average age of all the people?

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The average age of 8 people is 50 years. A second group consists of 10 people whose average age is 70 years. When both groups are combined, what will be the average age of all the people?

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