The answer would be 1, prime numbers can only be evenly divided by one or itself also positive divisors can only be one or itself.
This took me a while but I'm pretty sure the answer is

I had to review perpendicular bisectors but yeah it has to do with the midpoint and point slope formula
If you need help with anything you can post it.
Answer:
28 grams are pure sugar
Step-by-step explanation:
40-30% would be 28 pure grams of sugar