This equation shows how the total number of appetizer recipes Emily knows depends on the number of weeks she attends culinary sc
hool. a = w + 17 The variable w represents the number of weeks she has attended culinary school, and the variable a represents the total number of appetizer recipes she knows. After how many weeks of culinary school will Emily know a total of 19 appetizer recipes?
To find the mean you first add all the numbers up you get each day 12+16+0+8+31+28+17=112 Than you divided it by how many days there are... 112/7=16 So the mean is 16