Answers

2016-05-07T22:06:47+05:30
Solutions 

We know that dividing a positive integer n by 9, we get 7 as a remainder. 

n/9=7

n=7x9

n=63
 
so =(3x36-1)/9

=3x7-1

=21-1

=20

0
yeah....but where is quotient?
n=9q+7
the answer is 2
i got it
i solved it