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Every month we will give you a math/statistics brain teaser that lets you test your knowledge with a fun problem.

This Month's Challenge: Coffee Shop

Donna studied for an exam at a coffee shop. She bought a muffin for $3, a coffee for $4, and a sandwich for $6.

If she came into the coffee shop with $20, how much did she have when she left?

Click here for answer!

Many of the ideas in these Teasers come from thoughts formed by some of the great mathematical/statistical geniuses in history. To learn more about them and to take a fun quiz to find out which famous mathematician through history most interests you, try our Mathematicians' Quiz.

Or if you'd like more Math/Science fun you might want to try...

Dare to Compare
Now with both 4th and 8th grade level questions!

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