The new mean is 66.09
<u>Explanation:</u>
Mean weight of 20 students = 65kg
One student with 88kg entered the room.
New mean = ?
The above equation can further be written as:
New mean =
= 66.09
Therefore, the new mean is 66.09
Mrs. Rodríguez will make name tags for each of the 45 choir members and 30 orchestra members. The materials for each name tag co
2 answers:
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or 
5g - 20 + 12g = 1 - g
17g - 20 = 1 - g
there can be to answer
g =
you can simplify