I got x = 4-2y
4x+8y=16
-8y=-8y
4x=16-8y
— ——-
4 4
x=4-2y
Answer:
87
Step-by-step explanation:
or 130. let me know if I'm wrong
You would start by setting up the equation:
7x=125 where x is equal to the number of books sold
x=17.9
Since you cannot sell .9 of a book, this must be rounded up to 18.
Therefore, Amy must sell 18 books.
