The average weight of six pupils in a class is 16.8kg . if the total weight of four of them is 70kg , what is the average weight of each of them remaining two assuming both have equal weight ?
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Answer:
other two weights are 15.4kg
Step-by-step explanation:
let remaining two=x,x=2x
average=sum of total number/total no
16.8=2x+70/6
2x+70=16.8×6
2x+70=100.8
2x=100.8—70
2x=30.8
x=30.8/2
x=15.4kg
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