Ok again EVERYONE plz go report Joy12333 for FREE points

Need solving this second acceleration problem.

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.