MathMania 2008

  1. If an item in a store is marked up 25%, how much must it then be marked down to result in the original price?

  2. You have 45 dimes and quarters worth a total of $9. How many quarters do you have?

  3. Each interior angle of a regular polygon has a measure of 165 degrees. How many sides does the polygon have?

  4. What is the angle (in degrees) between the minute hand and hour hand of a clock that reads 7:50?

  5. A regular octagon is shown below. What fraction of its area is shaded?

  6. The sum of two numbers is 10 and the sum of their squares is 70. What is the product of the two numbers?

Here are the answers.