Math, asked by aryanverma15835, 15 days ago

31) The average weight of 40 coins is 7 gm. If the weight of the bag be included the average weight increase by. 0.07 gm. What is the weight of the bag? (a) 3.87 gm (b) 5.87 gm (c) 9.87 gm (d) 7.87 gm​

Answers

Answered by Anonymous
8

Step-by-step explanation:

Sum of 40 Coins = 7*40 = 280

Bag weight added, which is Xgm

280+x/41 = 7+0.07

x= 289.87-280 = 9.87gm

OA :: D

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