Maggie has 7 tiles with pictures of plants and 2 tiles with pictures of animals. Maggie keeps all the tiles on a mat with the pictures hidden and mixes them up. She then turns one tile face up and finds the picture of a plant on it. She removes this tile from the mat and turns over another tile without looking. What is the probability that the second tile that Maggie turns over has a plant on it?

22.2%

28.6%

65.0%

75.0

Question

Maggie has 7 tiles with pictures of plants and 2 tiles with pictures of animals. Maggie keeps all the tiles on a mat with the pictures hidden and mixes them up. She then turns one tile face up and finds the picture of a plant on it. She removes this tile from the mat and turns over another tile without looking. What is the probability that the second tile that Maggie turns over has a plant on it?

 22.2%

 28.6%

 65.0%

 75.0

anonymous · Answer

If she removes a tile, that will leave us with 8 tiles (9-1=8), 6 being plants and 2 being animals.

To find the probability of her turning over a second plant tile, all we have to do is divide 8 by 6. 

$$\frac{ 6 }{ 8 } =  75.0%$$

preetha · Answer

Is this a high school question?