Answer:
This means that, when the price of a book from a publisher is $60, the bookstore will sell it for $88 to the students.
Answer:
x = 4, y = 12/5
Step-by-step explanation:
2x+5y = 20
6x-5y = 12
----------------- (+)
8x = 32 => x = 32/8 => x = 4
2·4+5y = 20 => 8+5y = 20 => 5y = 12 => y = 12/5
