The points Q, R, S and T all lie on the same line segment, in that order, such that the ratio of QR:RS : ST is equal to 6 : 2:1. If QT = 36, find RT.

Camille is preparing for her english test by typing up the notes she recorded in the margins of her 98-page workbook. she already started typing her notes, and got through the first 14 pages. if camille types for x hours at a rate of 21 pages per hour, which equation represents the number of pages she has typed, and how many hours will it take to complete the task?