Answer: C. 56%
Step-by-step explanation:
Given : The cost of MP3 player = $64.25
The selling price of MP3 player = $99.99
We know that the mark up price =
thus, the mark up price=
Now the percent of mark up =
⇒ The percent of mark up =
Hence, the mark up percent = 56 %
x≥40 is the answer to your problem
Answer: on khan academy answer: 221