Oliver and Paula both read the same book. Paula started reading after Oliver had already read 30 pages.

The graph shows the total number of pages each student read (y) at the end of the night compared with the number of nights (x) since Paula began reading.


What does the point of intersection on the graph represent?

A. Oliver read 10 pages per night, and Paula read 150 pages per night.
B. At the end of night 10, both students had read half of the book.
C. At the end of night 10, both students had read a total of 150 pages.
D. When Oliver had read 10 pages, Paula had read 150 pages.