If a times 1 / 9 = B times 5 = C times 1 / C (C is not equal to 0), then what are a and B respectively?

If a times 1 / 9 = B times 5 = C times 1 / C (C is not equal to 0), then what are a and B respectively?

1/9a=5b=c*1/c=1
So a = 45B = 9
a=9,b=1/5