SOLUTION: I am a two digit number with the sum of 13. I have a 9 in the tens place...I am I am a two digit number with the sum of 7. I have a 0 in the ones place...I am I am a two digit

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: I am a two digit number with the sum of 13. I have a 9 in the tens place...I am I am a two digit number with the sum of 7. I have a 0 in the ones place...I am I am a two digit      Log On

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Question 405806: I am a two digit number with the sum of 13. I have a 9 in the tens place...I am
I am a two digit number with the sum of 7. I have a 0 in the ones place...I am
I am a two digit number with the sum of 1. I have an 8 in the ones place. I am
I am an even number less than 50 with the sum of 9. I am
I am a three digit number with a sum of 27. I am
My son is having problems trying to figure these out. Can you please help me understand how to do this so that I can help him understand.
Thanks

Found 2 solutions by josmiceli, Edwin McCravy:
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
I am a two digit number with the sum of 13. I have a 9 in the tens place
The number must be 94, because 9 + 4 = 13
-----------------------------------
I am a two digit number with the sum of 7. I have a 0 in the ones place
The number is 70, since 7 + 0 = 7
---------------------------
I am an even number less than 50 with the sum of 9
It's not 45, since that is an odd number
It could be 36, which is even
It can't be 27, which is odd
It could be 18, which is even
------------------------
I am a three digit number with a sum of 27
The number must be 999
There is no larger 3-digit number, and
any smaller number adds up to less than 27,
like 989, 9 + 8 + 9 = 26

Answer by Edwin McCravy(20060) About Me  (Show Source):
You can put this solution on YOUR website!
I am a two digit number....
So put two blanks for the digits:  
_ _

I have a 9 in the tens place
So we can fill in the first blank with a 9

9 _

with the sum of digits 13.
So a 4 has to go in the one's place:

So the answer is

9 4

---------------------------

I am a two digit number
So put two blanks for the digits:  

_ _

I have a 0 in the ones place...
_ 0

with the sum of digits 7.
So a 7 has to go in the tens place. So the
answer is

7 0

I am a two digit number with the sum of digits 1.
I have an 8 in the ones place. I am
That's impossible.  You must have mistyped.

I am an even number less than 50 with the sum of digits 9.
 
That could be 18 or 36

I am a three digit number with a sum of 27. I am
That can only be 999. If any digit were less than 9 the sum of digits
would be less than 27.

Edwin