what is the weight of B
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Answer:
31 kg
Step-by-step explanation:
the average of 40 and 43 is 41.5 but there is no 41.5
so,the answer
is 31 kg
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1
Answer:
Step-by-step explanation:
The average weight of AB and C is 45 kg if the average weight of A and B be 40 kg and that of B and C be 43 kg then the weight of B is
Weight of B=(40*2+43*2)-45*3=31Kg. Average weight of A, B and C is 45 kgs.. Total weight of A, B and C is 45 × 3 = 135..14-Jul-2020
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