Mathematics · Averages
There are two groups, A and B, in a class, which have 20 and 30 students respectively. If the average weight of group A is 30 kg and the average weight of group B is 50 kg, then find the average weight of the entire class.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 145 kg
- 242 kg✓
- 347 kg
- 444 kg
Correct answer
42 kg
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