Mathematics · Averages
The average weight of 107 notebooks kept in a box is 10.7 kg. When 1 new notebook is added to the box, the average weight becomes 10.8 kg. Find the weight of the new notebook.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 121.3 kg
- 221.9 kg
- 321.5 kg✓
- 421.7 kg
Correct answer
21.5 kg
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