Answer:
14 quizzes
Explanation:
Jill takes 6 quizzes every 3 weeks.
the unit rate is 3 quizzes every week, because 6 divided by 3 equals 2
now, take the number of quizzes per week and multiply it by 7
(2 x 7) = 14
So, Jill would take 14 quizzes in 7 weeks.