Question

A pair of new headphones cost $20 to make. They get marked up in price 250% by a retail store before they  are sold. How much will the headphones cost? ​

Answer 1

$50

Explanation:

Change 250 to a decimal:

250/100 = 2.50

multiple the price by this decimal to find the new price:

$20 x 2.50 = $50