weekly Layton puzzle #013

Professor Layton and the Curious Village puzzle 060

requested by @frogsfangs

Weighing Cats

There are three different colours of toy cat, each colour having a different weight. Examples 1 and 2 show their relative weights.

You have three red cats and four black cats on one side of the scale, and four white cats and one black cat on the other.

Given this setup, what will the scale do?