Question

Jc penny sells a timex watch for $139.99 that cost $89.97. Jc penny's percent of markup based on the selling price is

Answer 1

139.99$-?%
89.97$-100%
139.99*100/89.97≈155,6%
155,6-100=55,6%

Answer 2

Just do 139.99/89.97 to find the percent of markup.
1.56 (ish) = 139.99/89.97
So the percent of markup is 56%.