1.

The average weight of 101 notebooks placed in a box is 10.1 kg. When a new notebook is placed in the box then the average is 10.2 kg. Tell the weight of the new notebook.

A. 20.3 kg
B. 20.5 kg
C. 19.7 kg
D. 20.1 kg
Answer» B. 20.5 kg


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