DODGE D12 13 14 15 16 17 18 19 20
DIDUI
For the lo
12. The average weight of a class of 10 persons increases by 2.5 kg when a new person
comes in place of one of them weighing 70 kg. What might be the weight of the new
person?
?
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Answer:
The new person the real weight is "35" I thought
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