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a = w + 5
The variable w represents the number of weeks he has attended culinary school, and the variable a represents the total number of appetizer recipes he knows. After how many weeks of culinary school will Noah know a total of 18 appetizer recipes?


Sagot :

Answer:

13

Step-by-step explanation:

a = w + 5

18 = w + 5   [subtract 5 from both sides of equation]

13 = w