Final answer:
The equivalent ratio to 65% is 13:20 after reducing the fraction 65/100. This corresponds to option D in the question.
Step-by-step explanation:
The question asks about equivalents to 65% in the form of a ratio. To convert a percentage to a ratio, we write the percent as a fraction of 100 and then reduce it to the simplest form. Since 65% is the same as 65/100, we look for the option that is equivalent to this fraction when reduced.
Reducing 65/100 gives us 13/20 after dividing both the numerator and the denominator by 5. Therefore, the equivalent ratio to 65% is 13:20, which corresponds to option D.