Answer:
its the top right answer choice
you'd simply just need to subtract 80 from 210 since its 10 per visit, and after 8 visits well its self explanatory
Step-by-step explanation:
its the top right answer choice
you'd simply just need to subtract 80 from 210 since its 10 per visit, and after 8 visits well its self explanatory
Answer:
The formulas are functionally the same, but 'n' (the sample size) is used instead of 'N' (the population size).
Step-by-step explanation:
The sample mean is the average value for a set of observations which is derived from a population. While the population mean is the average value for the entire set of observation belonging to a particular study of interest.
The set of observation belonging to a population is denoted by 'N' ; while the sample size is denoted as 'n' :
The mean formula is written thus :
Population mean = Σx / N
Sample mean = Σx / n
Where, x = set of values.
40 x .80 = 32 x 1.05 = 33.60 is what she paid
Answer:
31?
Step-by-step explanation:
Answer:
i believe the answer is 83.79
Step-by-step explanation:
if the librarian purchased 200 boxes for $136, each box would cost 1.47 when divided. then there were 57 extra children so she had to buy 57 extra boxes. so if each box costs 1.47 then you just multiply 1.47*57 =83.79 and you get your answer. :D