The percentage of markup could be calculated by dividing the profit of the pants by the retailer price. In this case we can calculate the profit and then the markup percentage, this is:
The profit is $14.00, now we can calculate the markup percentage:
X^2+15^2=25^2 X^2+225=625 Isolate X X^2=400 Take the square root on both sides X=positive and negative 20 but in this case the negative is thrown out because you can't have a negative side Answer: 20