A dress is marked down by 20% and placed on a clearance rack, on which is posted a sign reading, 'Take an extra 25% off already reduced merchandise.' What fraction of the original price is the final sales price of the dress?

The Praxis Mathematics (5165 ) Exam is a test required by many states for credential candidates planning to teach mathematics at the high school level. It is a single, computer-delivered test that includes questions from two content categories.

The first content category includes Number and Quantity, Algebra, Functions and Calculus. The second content category includes Geometry, Probability and Statistics, and Discrete Mathematics.

The test consists of various question types including selected-response, numeric entry, drag-and-drop and text completion.