Answer:
1/4 I think, reduction?
Step-by-step explanation:
One angle has 60 degrees, the other angle has 30 degrees.
60 divided by 30 = 2.
and 60 + 30 = 90.
Answer: (2;-9).
Step-by-step explanation:

The answer is Mary, Mary got 88% Ben got 86% and Jim got 85%