The average weight of 10 oarsmen in a boat is increased by 1.5 kg when one of the crew who weighs 58 kg is replaced by a new man.Find the weight of the new man.
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3
Answer:
43
Step-by-step explanation:
Let,
New Man's Weight=y
Avg. = x
Sum of the 10 Oarsman's Weight=10x -eq. 1
New avg. = x+1.5
Aum of Members =10(x+1.5)-58+y
Sum of Weight = 10x-43+y -eq. 2
From eq. 1 & 2
=>10x=10x-43+y
=> y=43
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