@deriniko9 1: 90kg รท 3 = 30kg
Therefore the next frame has 2 30kg's=60kg on the scale leaving the yellow headed man to weigh 20kg
The next frame has the yellow headed man (20kg) and 2 Scooby Doo's. That's 100kg-20kg=80kg
80kgรท2=40kg
Therefore scooby-Doo's weight is 40kg