Carl and laura are reading different copies of the same book. carl has already read 10 pages of his copy of the book when laura begins reading her copy of the book. a system of equations can be used to compare the number of pages (y) each person has read x minutes after laura begins reading her copy of the book. the solution to the system of equations is (40, 50). what does the solution (40, 50) represent in this situation?
a.)carl and laura have both read 50 pages after laura has been reading for 40 minutes.
b.)carl has read 50 pages and laura has read 40 pages.
c.)carl has read 40 pages and laura has read 50 pages.
d.)carl and laura have both read 40 pages after laura has been reading for 50 minutes.