Question

76 question
,
It is urgent

Answer 1

a1=6       b1=3    c1=c-3

a2=12     b2=c      c2=c

a1/a2=b1/b2=c1/c2

6/12=3/c=c-3/c

6/12=3/c
 
6c=36

c=6

hope this helps for u

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