SOLUTION: There boys weigh 55 kilos, 45 kilos, and 51 kilos, what must be the weight of the fourth boy if the average weight of the four is to be 52 kilos? Solution PLs. thanks!

Question 736479: There boys weigh 55 kilos, 45 kilos, and 51 kilos, what must be the weight of the fourth boy if the average weight of the four is to be 52 kilos?
Solution PLs. thanks!
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Average weight = ( total of boy's weight ) / ( number of boys )
Let = the weight of the 4th boy in kilos
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The 4th boy weighs 57 kilos

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