knits hats for her family and friends. In the first week, she knits 4 hats. The next week, she has some help, and together, they knit four times as many hats. The following week, she has even more help, and they knit four times as many hats as the week before. The fourth week, Jillian, her friends, and family, knit four times as many hats as the third week.How many hats will they knit in the fourth week