SOLUTION: For how many natural numbers less than 105 is the sum of their digits equal to 10?

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: For how many natural numbers less than 105 is the sum of their digits equal to 10?       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 788393: For how many natural numbers less than 105 is the sum of their digits equal to 10?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


From 1 to 10 there are none, from 11 to 20, and for each complete set of ten after that, there is 1, and none in what remains, so altogether there are 9

19, 28, 37...and so on.

John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism