Answer:
the answer is definition of angle bisector
Step-by-step explanation:
w= 1 /4 or w= −1/ 2
Assuming they bought the same shoes, $82.5
80% of Original Shoe price = $82
Divide by 0.8 to find the original price.
82 / 0.8 = 102.5
102.5-20=82.5