If there are 16 students and 2 teachers, what is the ratio of students to teachers in the class?   16 to 2   8 to 1   1 to 8   What is 46 percent of 75?   35   34.5   None of the choices   There are 4 black rabbits and twice as many grey rabbits as brown rabbits. If there are 16 grey rabbits, then what is the ratio of brown to black rabbits?   16 to 4   8 to 4   2 to 1   Jason has 40 apples. He gives Jon 12 apples and Jeff 14 apples. What percentage of apples does Jason now have of the original 40?   14   35   26   Bill is 4 years older than Jill and 2 years younger than David. If Jill is 12, then what is the percent of years she is older than David?   9 to 6   18 to 12   None of the choices