Mathematics · Average
The average age of 7 students in a class is 28 years. The average age of the first three students is 30 years. The age of the fourth student is 4 years less than the age of the fifth student. The ages of the last two students are equal and each is 5 years more than the average age of the first three students. What is the average age of the fourth and fifth students?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 118 years✓
- 216 years
- 336 years
- 420 years
Correct answer
18 years
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