Answer:
Selling price = $28
Explanation:
Cost price = $20
Selling price = ?
Percent markup = 40%.
Percentage markup is the difference between a products selling price and cost as a percentage to the cost.
% mark up = (selling price - cost price) / (cost price) * 100
[(Selling price - 20) / 20 ] * 100 = 40
40 / 100 = (selling price - 20) / 20
0.4 * 20 = selling price - 20
8 = selling price - 20
Selling price = $(8 + 20)
Selling price = $28.
The selling price was $28