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How many 2 digit integers are 6 times the sum of their digits?

 Aug 11, 2020
 #1
avatar+111626 
+1

Well if the number is ab where are and b are the digits then the number really is  10a+b

 

See if you can use that to help you.  You need to make an equation.

 

 

 

 

Please no other answer give more, this is a good hint.   

 Aug 11, 2020
 #2
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+1

I can only think of 54.

 

[5 +4] x 6 = 54

 Aug 11, 2020
 #3
avatar+111626 
0

That might be the only one   

 

Have you set up an equation?  If you do then it is easy to check all possibilities.

Melody  Aug 11, 2020

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