SOLUTION: if both r & s are integers > 1 ,also 11(s-1)=13(r-1) then the remainder when r+s is divided by 8 is ? A.2 B.3 C.5 D.7

SOLUTION: if both r & s are integers > 1 ,also 11(s-1)=13(r-1) then the remainder when r+s is divided by 8 is ? A.2 B.3 C.5 D.7

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Question 815177: if both r & s are integers > 1 ,also 11(s-1)=13(r-1) then the remainder when r+s is divided by 8 is ?
A.2
B.3
C.5
D.7
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!

is an integer,
and so is .

So had a remainder of when divided by , or by , or by .
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