Cds are on sale at the local music store for $12.80 each. they normally sell for $16.00 each. ann buys three cds for a total of $38.40. what percent discount did she receive?

Percent discount Ann received is 20%.

Step-by-step explanation:

CDs are on sale at the local music store costing $12.80 each.

Normally selling price of the CDs = $16 each.

Anna buys 3 CDs for a total of $38.40

Costing price of one CD =

Discount on every CD = 16 - 12.80 = $3.20

Now percentage discount on the CD = ×100

=

= 20%

Therefore, percent discount Ann received is 20%.

depends on how many days you are talking about

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