WILL GIVE BRAINLIEST AND STARS A family goes to Wendy’s and places the following order: three cheeseburgers, one hamburger, a small soda, two orders of fries, a medium soda, and another hamburger. Write an expression to represent the cost of their order.

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?