2023-11-20 09:44:39
Wow, everything must be free!
Wow, everything must be free!

What happens when you take 50% off again after taking 50% off at first?
Students examine this retailer trick of giving double discounts. What happens to the price when you are given a double discount? Could everything be free?
Comments (0)
Display 1 - 10 Of total 0
I need help raking my leaves
Brian has spent too much time thinking about his l...
New baby giraffe
Willow at Baltimore, MD Zoo
Willow ...
What's the answer?
Image by Twitter user @pjmdoll.
Math...
Crop circles
In the travel section of our newspaper...
One harrowing adventure
Can you imagine being stuck in the...
The Most Expensive 30 Seconds
This year, the 30-second Super Bowl ads will...
Which gasoline is the cheapest?
When Brian traveled to ...
Inauguration Date
The date of the Presidential Inauguratio...
What's my angle?
I'm going to help save the planet by adding ...
Cost of light bulbs
This activity has been updated (2026). See t...