The answer to this is not possible because sss would be just one angle and they want it to form a congruent triangle
42 drank iced tea
60 drank either water or lemonade
So the ratio would be 42:60 or 7/10 as a fraction.
So D is the correct answer
Yes, because you can simplify it to .2 which can be written as a fraction. Irrational numbers are those ones that keep going with an infinite string of numbers past the decimal.