Two classmates, Troy and Mason, plan to meet in the computer lab to type up their research papers. Troy can type at a speed of 2 pages per hour, whereas Mason can type 1 page per hour. So far, Troy already has 5 pages typed up, compared to Mason's 10 pages. Once they sit down and start typing together, the two students will reach the same page count before too long. How long will that take? The situation has been graphed. Find and interpret the solution.

hours for
pages