Monday

December 22, 2014

December 22, 2014

Posted by **Ash** on Sunday, January 27, 2008 at 6:43pm.

9}. Without replacement of d, another digit, e is selected. What

is the probability that the two digit number de is a multiple of 3

- Algebra -
**drwls**, Sunday, January 27, 2008 at 7:13pmThere are 9*8 = 72 possible two digit numbers that can be formed. Those divisible by three are 12, 15, 18, 21, 24, 27, 36, 39, 42, 45, 48, 51, 54, 57, 63, 69, 72, 75, 78, 81, 84, 87, 93, and 96. That's 24 numbers.

The answer is 24/72 = 1/3

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