96 people are attending the concert.
Step-by-step explanation:
Given,
Number of children at concert = 12
This represents 12.5% of the people attending concert.
Let,
p be the total people attending concert.
12.5% of p = 12

Dividing both sides by 0.125

96 people are attending the concert.
Keywords: percentage, division
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You are correct. The higher the standard deviation is, the more spread out the data set will be. Nice work.
This is the concept of geometry, for us to prove the similarity of angles we can use the following postulates:
SAS (side-angle-side)
ASA (Angle side Angle)
SSS (side side side)
AAS (Angle Angle side)
therefore, given that AAA is used to prove similarity, another postulate that can be used to strengthen the postulate is SAS, because we already have the angle sizes, adding more sides will make the prove even stronger since we shall have three corresponding angles plus wo corresponding sides.
The answer is 2m because it is like if you had 3 mangoes and you eat one you would have 2 mangoes.<span />