Question
Download Solution PDFThe 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)?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
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 = 3x
The weight of P = x + 4
Then, (x + 4) + 3x = 220
⇒ 4x + 4 = 220
⇒ 4x = 220 - 4 = 216
⇒ x = 216/4 = 54
∴ P's weight = 4 + 54 = 58 kg
∴ The P's weight (in kg) is 58 kg
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