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A box contains 24 tiles. Each tile has certain properties:

 Each tile is made of wood or plastic.
 Each tile is red, yellow, or blue.
 Each tile is a triangle, square, pentagon, or circle.

There is exactly one tile for each combination of properties. For example, there is one red circle that is made of wood.

Steve chooses one tile, and Ellen chooses a different tile. 

 

What is the probability that both tiles are red?

 Apr 6, 2023
 #1
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There are 8 red tiles, since there is a red

wood triangle, square, pentagon, circle

plastic triangle, square, pentagon, circle.

Steve: 1/3

Ellen: 7/23

Multiply to get:

7/69

 May 3, 2023

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