Verified Answer :

faizu

=>Let the number be a ...
=>Nine times the number: 9a ...
=>Nine time a no. Is 3600 : 9a = 3600...
=>9a = 3600
=>a = 3600/9
=>a= 400..

=>So the number is 400..

Hope It helps!!

The way this should be set up is: 

9a = 3600... 

So you must divide '9' on both sides, canceling out the '9', and making the 3600 to be '400'.. 

So the problem should look like: a = 400 <--- (Answer) 

Hope it helped.. :) 


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