[tex]\bold{\huge{\boxed{Hey guys}}}[/tex]....
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[tex]\bold{\huge{\boxed{Hey guys}}}[/tex]....
answer this....
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65 = 60 + {( 12-f1) / (2(12) - f1 - 6 ) } * 20
5/ 20 = (12-f1)/ ( 18-f1)
1/4 = (12-f1) / (18-f1)
18-f1 = 48 - 4f1
3f1 = 30
f1 = 10
10