In ∆PQR, ray PX bisects angle P. If X lies on QR and RX= 10, PR= 25, and PQ is 1 more than twice QX, find QX and PQ

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.