Mathematics · Averages and Percentages
The average weight of four friends A, B, C, and D is x kg. When D is replaced by E, the average increases by 14.25 kg. When C is replaced by E, the average increases by 6.75 kg. If the average weight of C, D, and E is 74 kg, then the weight of E is how much percent more than that of C?
- 145%
- 242%
- 336%✓
- 430%
Correct answer
36%
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