Multiple choice

The average weight of P and his three friends is 55 kg. If P is 4 kg more than the average weight of his three friends, what is P's weight (in kg)?

  1. 54

  2. 58

  3. 62

  4. 60
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Total weight of P and 3 friends = 4 × 55 = 220 kg. Let average weight of 3 friends be x kg. Then P's weight = x + 4 kg. Sum: (x + 4) + 3x = 220, giving 4x = 216, x = 54. P's weight = 54 + 4 = 58 kg.

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