Answer:
38%
Step-by-step explanation:
Original price = $ 80
Price after reduction = $ 49.60
Reduction = 80 - 49.60 = $30.40
Percentage of decrease = 

= 38%
Answer:
5k-17
Step-by-step explanation:
-14+5k-3=5k-14-3=5k-17
Answer:
∠AQS ≅ ∠BQS when segments AQ and BQ are equal.
Step-by-step explanation:
Answer:
18 1/8
Step-by-step explanation:
Just simple fraction addition.
17 1/4+ 7/8
Make common denominator
17 2/8+7/8
17 9/8 which is 18 1/8