Erin has a rectangular blanket measuring 60 inches by 84 inches. She wants to sew a fringe border around the perimeter of the blanket. How many yards of fringe does she need to purchase?

At the beginning of the year, adrian's savings account balance was \$28$28. each week, he deposits another \$15$15 into that account, and he doesn't spend any of his savings. is his savings account balance proportional to the number of weeks since the start of the year?