A Ratio Is the Result of Comparing Two Quantities to Determine

A ratio is the result of comparing two quantities to determine how many times as large one is compared with the other. Using this information, answer the questions below. If enough information is not provided to determine the answer, respond "impossible to determine."
Five of every six students interviewed favored a change in library hours.
A) Among those interviewed, what is the ratio of those who favor a change to those who do not favor a change?
B) Among those interviewed, there are _____ times as many students who favor a change as there are students who do not favor a change.
C) Among those interviewed, there are _____ times as many students who do not favor a change as there are students who do favor a change.
D) What fraction of the students interviewed favor a change in the library hours?