Sabah has $450 to pay for college textbooks. she expects to pay about $75 per book. her friend told her that 4 of them can be checked out of the library for free.

what equation can be used to find total number of books she can get

75(b-4)=450

Step-by-step explanation: She doesn't have to pay for four books, so the number of books she is going to have to pay is b-4. Each of these books costs $75. To conclude, b-4 books cost 75(b-4).

Hope this helps you out! ☺

were is the chart?

step-by-step explanation:

1. 3.4/4

2. 0.8/7

3. 0.5 x 3

4. 0.9 x 6

5. 10.8

6. 2.35

7. 0.567

8. 9.35

9. 0.02

10. 0.06

11. 0.16

12. 0.42

13. 0.63

14. 5.6

15. 8.1

16. 9.9

17. 0.28

18. 0.48

19. 0.27

20. 0.49

21. 0.45

22. 0.72

23. 0.9

24. 0.88

25. 0.75

26. 0.16

27. 0.328

28. 0.495

29. 0.72

30. 1.068