Question

The selling price of an item is ​$720. It is marked down by ​30%, but this sale price is still marked up from the cost of ​$420. Find the markup from cost to sale price. Please help!

Answer 1

20%

Explanation:

old selling price = $720

new selling price = 720 x (1 - 30%) = 720 x 70% = $504

cost = $420

markup = (504 - 420)/ 420 = 84/420 = 20%