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March 2, 2015

March 2, 2015

Posted by **alejandro** on Sunday, August 4, 2013 at 7:37pm.

A.72

B.120

C.144

D.5040

- math30 -
**Reiny**, Sunday, August 4, 2013 at 10:02pmQuestion:

Can digits be repeated,

e.g. is 332 allowed as a 3 digit number?

both groups must end with a "2"

I will assume digits may repeat

number of 3 digit even numbers = 4x4x1 = 16

number of 4 digit even numbers = 4x4x4x1 = 64

total = 80

mmhhh?

suppose we can't repeat

3digit evens = 3x2x1

= 6

4digit evens = 3x2x1x1 = 6

that would be only 12 total

something is not right with your choices.

Am I reading the question correctly?

- math30 -
**alejandro**, Monday, August 5, 2013 at 2:00amReiny I just realized "even meter" means not repeated.

That help????

- math30 -
**alejandro**, Monday, August 5, 2013 at 2:00amReiny I just realized "even numbers" means not repeated.

That help????

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