This equation shows how the total number of quizzes Cara has ever taken in high school depends on the number of weeks she has attended school this quarter.
9 = W + 11
The variable w represents the number of weeks she has attended school this quarter, and the variable g represents the total number of quizzes she has ever taken in high school. How many weeks of school will Cara have to attend this quarter before she will have taken a total of 16 quizzes?

_____weeks ​