To find an equivalent ratio to 9/78, you need to simplify the given ratio.
The greatest common divisor (GCD) of 9 and 78 is 3. Divide both the numerator and denominator by 3:
9 รท 3 = 3
78 รท 3 = 26
So the simplified ratio is 3/26.
Among the given options, the ratio equivalent to 9/78 is 3 over 26.