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Pls Help class=

Respuesta :

Answer:

4 books

Step-by-step explanation:

  1. put 3 in for m
  2. 3.95(3) + 8.95b = 47.65
  3. 11.85 + 8.95b = 47.65
  4. subtract 11.85 from both sides
  5. 8.95b = 35.80
  6. divide both sides by 8.95
  7. b = 4
  8. 4 books