SOLUTION: Hi, I'm not sure how to set out this problem because of the double up of colours on the second spinner. Draw a tree diagram for the two spinners. Spinner 1: Red, blue, grey

Question 766758: Hi, I'm not sure how to set out this problem because of the double up of colours on the second spinner.
Draw a tree diagram for the two spinners.
Spinner 1: Red, blue, grey
Spinner 2: Red, red, blue grey
How many outcomes are there?
Thanks
Answer by fcabanski(1391) (Show Source): You can put this solution on YOUR website!
There are 3 possibilities for the first spinner. There are 4 possibilities for the second spinner. There are 4 * 3 = 12 possible outcomes.

Since two of the outcomes on the second spinner are the same, red and red, if the question becomes how many different/distinct outcomes, the answer is 3 * 3 = 9.

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