At first, Tania had 6 tiles with pictures of plants and 3 tiles with pictures of animals. However, she found a tile that had a picture of plants, meaning that there are now only 5 tiles with pictures of plants left.
Since there are now 5 tiles with pictures of plants and 3 tiles with pictures of animals, the probability of picking a tile with pictures of plants has changed. There are now 8 total tiles and 5 tiles with pictures of plants. This means that there is a [tex] \frac{5}{8} [/tex] chance that she will pick a tile with pictures of plants. In terms of percentage, this would be a 62.5% chance.
