The average weight of six boys is 14kg, if the total weight of four of them is 70 kg. what is the weight of the remaining two boys?
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Step-by-step explanation:
the average weight of six boys is 14 kg
by using formula for calculating average
average = sum of total number of observation / total number of observation
14 = sum of weight of 6 boys / 6
14×6 =sum of weights of 6 boys
84 = sum of weight of 6 boys
but it given that
4 of them weighs 70 kg
84= 70 +weight of those two boys
14= weight of those two boys
therfore the total weight of those two boys is 14kg
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