The average weight of 19 men in a ship is increased by 3.5 kg when one of the men, who weighs 79 kg, is replaced by a new man. Find the weight of the new man upto 2 decimal places
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Answer: The required weight of the new man is 145.50 kg.
Step-by-step explanation: Given that the average weight of 19 men in a ship is increased by 3.5 kg when one of the men, who weighs 79 kg, is replaced by a new man.
We are to find the weight of the new man up to 2 decimal places.
Let the sum of the weights of the 18 fixed men be S kg and the weight of the new man be w kg.
Then, according to the given information, we have
Thus, the required weight of the new man is 145.50 kg.
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