Best bicycles marks down the selling price of its bicycles to its customers. the company applies a 20% markdown. write a variable expression that represents the markdown price of the bicycles.

A=P×(0.8)
A is the price after the markdown
P is the original price
0.8 is the multiplier because 1-(80/100)=0.8
80/100 is the same as 80%, which is the remaining value when 20% of the value of the item is deducted.

Polar coordinates is 8,9