which ratio is equvalient to 10:9

a( 30:27
b( 20:19
c( 36:40
d( 50:48

1 answer

To determine which ratio is equivalent to 10:9, we can simplify the ratio 10:9 by finding its common factor.

The common factor is 1, so the simplified ratio is equal to the original ratio.

Therefore, the answer is a(30:27) because it is equivalent to 10:9.