Question

Any help would be appreciated! :

Tricia is reading a 750-page novel for English class.
-Tricia has already finished reading part of the novel at school.
-She has planned to finish the novel by reading the same # of pgs at home everyday.
-After 2 days at home, she finished 210 pgs
-after 6 days at home, she had finished a total of 330 pgs
a) Write an equation that can be used to determine y, the total # of pgs. Tricia has needs to read after reading at home for x days.