Answer:
23s-7 (please let me know if this is right or wrong)
Answer:
43.96
(i used 3.14 for pie)
Step-by-step explanation:
Is/Was there a shape that goes with this?
Answer:
38%
Step-by-step explanation:
Original price = $ 80
Price after reduction = $ 49.60
Reduction = 80 - 49.60 = $30.40
Percentage of decrease = 

= 38%