+0  
 
0
86
1
avatar

If the five-digit number 8X357 is divisible by 11, then what is X?

 Jan 8, 2020
 #1
avatar+109061 
+1

To  be divisible  by  11  we  must have that   either

 

8 - X  + 3  - 5  +  7   =   0        simplify

 

13 - X  = 0

 

X = 13    [ impossible ]    

 

or

 

8 - X  + 3  - 5 +  7   =  11     simplify

 

13 - X  = 11

 

X = 2

 

Check     82357 / 11  =  7487

 

cool cool cool

 Jan 8, 2020

30 Online Users

avatar
avatar