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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)?

Options

  1. A60
  2. B54
  3. C58
  4. D62

Correct answer

C. 58

Step-by-step solution

Given: The average weight of (P ) and his three friends (=55 ~kg ) The weight of (P=4 ~kg ) more than the average weight of his three friends Formula used: The total sum of the terms (= ) Average ( ) Number of terms Calculation: The total weight of (P ) and his three friends (=55 4=220 ~kg ) Let, the average weight of three friends (=x ) So, the total weight of three friends (=3 x ) The weight of (P=x+4 ) Then, ((x+4)+3 x=220 ) ( 4 x+4=220 ) ( 4 x =220-4=216 ) ( x=216 / 4=54 ) ( ) P's weight (=4+54=58 ~kg ) ( ) The

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