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2014-07-31T20:58:49+05:30

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Two parts . one is x and another 36-x.  So  x +  (36 -x)  = 36
         1                          1
  x *  ---      =  (36 - x) * ----                 cross multiply 5 and 7, onto the other side
         5                        7

7 x  =    5 (36 - x)  =>  7 x = 180 - 5 x    =>  12 x = 180        x = 15
two partsare    15 and 21

1 1 1
2014-07-31T21:03:02+05:30
LET THE 2 NUMBER BE X AND 36-X 
THEN 1/7*X
AND  1/5*(36-X)
7X=180-5X
12X=180
X=3
NUMBERS ARE 15 AND 21
1 5 1