Question

The average weight of 6 men decreases by 3 kg when one of them weighing 80 kg is replaced by a new man. The weight of the new man is:

Answer 1

hye

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let toatl weight be x


The average weight of 6 men decreases by 3 kg when one of them weighing 80 kg is replaced by a new man. 

so lets form an equation
$\frac{x}-3/6$