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
Mother's Day
How much do we...
Mark Zuckerberg and Priscilla Chan to give away 99% of their shares of Facebook
That sounds like an awful lot of their Fac...
Measuring sea level
What does this gizmo do?
...
How should I spend my rewards?
There's a new way to earn rewards at many groc...
Payday loans - What are they?
When you need a loan, and you're desperate for...
An ounce of cola
Which is more expensive; gasoline? milk? or cola...
Parabolic Pee
Mr. Mark's new little baby can make some amazing...
How long would it take to build this underground house and pool?
The building of this underground house and...
How Many Donuts is That?
Act One: Take a look at the first pict...
Betsy Ross's 5-pointed star
Flag of the United States from 1777 to 1795....