## The Puzzle Universe – A History of Mathematics in 315 Puzzles

The other day I received a marvellous package in the post. Inside was a book, The Puzzle Universe, by Ivan Moscovich, published by Firefly Books. Ivan Moscovich has made a career out of making amazing mathematical puzzles and games.

## Movie Ticket Puzzle Solution

[This is a back-issue of one of this site’s newsletters]

It’s Monday Morning Math Time!

If you’re hungry, have a look at this yummy breakfast math video. You’ll see there’s more than one way to cut a bagel, and maybe learn a bit of topology too.

I promised to give you a solution to the movie ticket problem.
If you missed it, have a read here and see if you can solve it before you read on here!

## Can You Solve This Puzzle?

I saw this puzzle the other day.

You have two fuses. Each fuse is a piece of string, that burns for exactly 1 minute. However, the fuse doesn’t burn evenly, so cutting the fuse in half doesn’t give you two 30 second fuses.

## Rectangles and Right Triangles

Can you find a rectangle whose perimeter equals its area?

I’ll explain one way to solve this puzzle below.

Allergy warning: this product contains algebra. May contain traces of number theory.