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
Hurricanes again
Updated
In this updated hurricane act...
Labor Day 2025
In our usual Labor Day activity (updated for...
It sure is cold out ... or is it?
Students ponder the relationship between pla...
The drag in swimming - More Olympics activities
To win in Olympic swimming, cont...
Scary Halloween Numbers
🎃Each year, we seem to $pend more on Hallowe...
The LUGE
This is one of the fastest Olympic sports. L...
Double Discount
Wow, check out this sale! I...
Weird wing prices
Clicking on this image will show it larg...
Will I pay less if I buy more?
image ...
More Population Pyramids
The population pyramid above shows the d...