Natalie and Beth swim at about the same speed. Kara swims twice as fast as Beth so she also swims twice as fast as Natalie. So Kara is faster than Natalie and Jenn is faster than Kara. Therefore Jenn is faster than Natalie.
First, let's get the perimeter of the rectangle: Then, let's get the area of the bigger one:
Then let's try using a rectangle with a smaller ratio: Then:
If you used a square:
There you have it. A rectangle with a smaller area with the same perimeter. What does it show? The smaller the difference you get from width and length, the larger the area is.