Answer:
Sanchez bought 20 books.
Step-by-step explanation:
Represent the total number of books purchased by t. Then:
0.75n = 15. Thus, n = 20.
b
-69
40-100-9
56
After inserting the given values, u + xy becomes (2) + (9)(6), or 2 + 54, or 56.
47/40
i think this is right
