A pie is made up of crust, apples, and sugar, and the rest is jelly. What is the ratio of crust to jelly?

Half of a salad is lettuce. A third of it is tomatoes. The remainder is made of cucumbers. Which of the following is the ratio of lettuce to cucumbers in the salad?

In a certain school, for every three-eighths of a senior, there is one-half of a freshman. For every two freshmen, there are three-fourths of a junior. Which of the following could represent the ratio of juniors to seniors?

In a solution, of the fluid is water, is wine, and is lemon juice. What is the ratio of lemon juice to water?

One third of a diet bar is made of shredded fiber. Of the remaining portion, a third is made of apples and the remainder is made of soy. What is the ratio of shredded fiber to soy?

If and , what is the ratio of to ?