Mackenzie already knew 1 appetizer recipe before starting culinary school, and she will learn 1 new appetizer recipe during each week of school.
After how many weeks of culinary school will Mackenzie know a total of 40 appetizer recipes?
SOLUTION
Mackenzie already knew 1 appetizer recipe before starting culinary school, and she will learn 1 new appetizer recipe during each week of school.
That is 2 appetizers per week
40 appetizers ===40 / 2 = 20 weeks
