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September 20, 2014

September 20, 2014

Posted by **Cassidy** on Wednesday, March 13, 2013 at 5:31pm.

What is the probability that the sum of the numbers from the spinner and number cube will be 3 or 4?

- 7th Grade Math -
**bobpursley**, Wednesday, March 13, 2013 at 5:51pmways to get 3 or 4

1,2;

1,3

2,1;

2,2

3,1

probability= 5ways*1/4*1/6=5/24

another way.

prob= prob1,2or3+prob2,1or2, +prob3,1

= 1/4*2/6+1/4*2/6 + 1/4*1/6

=1/4(5/6= 5/24

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