HELP PLEASE

[senthi]

I reacently brow some home work from my friend,its from there are tutors i think.i really appriciate if anyone would help please.

9(11)5 12(14)18 6( )12


68(14)17 76(14)19 49( )7

i do not have answer.thankyou

[hermanmunster]

68(14)17 76(14)19 49( )7

First number divided by second number then add 10 so poss answer = 17?

[borax]

Is it:

A (B) C
B = (A+C) - (c-2)

This is the only thing I can come up with that seems to work, and it took me waaay longer than 30 seconds!

Borax

[senthi]

thankyou.