The answer is B and C. Hope this helps!
Answer:
-a +27=28
Step-by-step explanation:
2a+12-3a+15=18
-a+27=18
Answer:
A
Step-by-step explanation:
The mean is a good measure of central tendency because it takes into account all of the data compared to other. One of the instance where the mean is not good measure is when there are outliers ( extreme values) in the data in this case the median is better. In the scenario in the question the data set is nearly symmetrical therefore the mean is best central tendency measure to use
I think it would be 23 bags without any cookies left over