Answer:
The shipping and handling charge that Bryce paid is $109.65 
Step-by-step explanation:
Given as :
The online price of the treadmill = $510
The charge of shipping and handling = 21 % of online price
 % of online price
Let The shipping and handling charge that Bryce paid = $x
<u>Now, According to question</u>
∵ The charge of shipping and handling = 21 % of online price
 % of online price
So, x =  % of $510
 % of $510
Or, x = 
Or, x = $109.65
The shipping and handling charge that Bryce paid = x = $109.65
Hence,The shipping and handling charge that Bryce paid is $109.65 Answer