The average weight of a group of seven boys is 56 kg. The individual weights (in kg) of 6 of them are 52,57,55,60,59 and 55. fin
d the weight of the seventh boy
2 answers:
Answer:
54 kg
Step-by-step explanation:
Total weight of 7 boys is 392 kg. And other 6 boys total weight is 338 kg.
So the 7th boy's weight is (392-338)=54 kg
Answer:
54
Step-by-step explanation:
338÷6=56.33
so it means that 7th boy is less than 56
338+54=392
392÷7=56
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