Write a system of equations to describe the situation below, solve using elimination, and fill in the blanks.
The Dover High School Science Department is purchasing new earth science and physics
textbooks this year. Ms. Callahan has requested 80 earth science textbooks and 100 physics
textbooks for all of her classes, which costs the department a total of $8,860. Mr. Wagner
has asked for 94 earth science textbooks and 100 physics textbooks, which will cost a total of
$9,378. How much do the textbooks cost?
Earth science textbooks cost $
apiece and physics textbooks cost $
apiece.