Will !

the ratio of the number of giraffes to the number of monkeys in a zoo is 2 to 5. which statement about the giraffes and monkeys could be true?
a. for every giraffe in the zoo, there are 10 monkeys.
b. for every 10 giraffes in the zoo, there is 1 monkey.
c. for every 4 giraffes in the zoo, there are 10 monkeys