The average weight of 8 people increases by 2.5 kg when a new person comes in place of one of them ...

The average weight of 8 people increases by 2.5 kg when a new person comes in place of one of them weighing 35 kg. What is the weight of the new person?

Answer/Solution

55 kg

Steps/Work

The total weight increase = (8 x 2.5) kg = 20 kg
weight of new person = (35 + 20) kg = 55 kg
The answer is E.

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The average weight of people increases by kg when a new person comes in place of one of them weighing kg. What is the weight of the new person?

Calculated Answer

Step by Step Solution

In order to solve problem, you must evaluate n₂ + n₀ * n₁.

n₀ =	8
n₁ =	2.5
n₂ =	35

n₂ + n₀ * n₁
Evaluate n₀ * n₁ = 20
n₂ + 20
Evaluate n₂ + 20 = 55
55
The answer to the problem and the result of n₂ + n₀ * n₁ is 55

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Answer/Solution

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