Respuesta :
Answer:
Step-by-step explanation:
3 + 4b = 23....with b representing # of books
4b = 23 - 3
4b = 20
b = 20/4
b = 5 <=== 5 books were bought
Answer:
Step-by-step explanation:
3 + 4b = 23....with b representing # of books
4b = 23 - 3
4b = 20
b = 20/4
b = 5 <=== 5 books were bought