Homework Help: math

Posted by lony on Monday, August 31, 2009 at 9:15am.

the digits of a certain number of 3 arithmetical digits are in arithmetical progression.Their sum is 15.And the number is 129 times the first digit.What is the number???

answer it please..
thank you..

math - bobpursley, Monday, August 31, 2009 at 9:22am
see other post.
math - Anonymous, Monday, August 31, 2009 at 10:11am
258 129*2= 258 2+5+8=15

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