Mathematics · Averages

The average weight of 6 boxes is 12 kg. When a new box is added, the average weight increases to 13 kg. What is the weight of the new box?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

122 kg
219 kg✓
315 kg
417 kg

Correct answer

19 kg

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The average weight of 6 boxes is 12 kg. When a new box is added, the average weight increases to 13 kg. What is the weight of the new box?

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The average weight of 6 boxes is 12 kg. When a new box is added, the average weight increases to 13 kg. What is the weight of the new box?

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