Scott's mother bakes 12 cookies and he eats half of them. Scott's mom then puts red frosting on 4 cookies and blue frosting on the rest of the cookies. What is the ratio of cookies with red frosting to cookies with blue frosting?

There are students in a fifth grade class. If there are girls in the class, what is the ratio of the number of boys in the class to the total number of students in the class?

Stacy has started collecting coins. She has twice as many wheat pennies as she does 1946 dimes, and three times as many 1983 quarters as she does 1946 dimes. If Stacy has 1946 dimes, what is the ratio of wheat pennies to 1983 quarters?

For every 3 peanuts in a bag of trail mix, there are 1 chocolate chip and 2 raisins. What is the proportion of raisins in the mix?

Find an equivalent ratio.

Stacy has started collecting coins. She has twice as many wheat pennies as she does dimes, and three times as many quarters as she does dimes. If Stacy has dimes, what is the ratio of wheat pennies to quarters?

Steve is having a birthday party. So far, he has invited thirty-nine of his friends from school, fifteen of whom are girls. He wants to make the ratio of girls to boys at the party two to one. How many more girls does he need to invite, assuming no more boys are invited?

In a litter of puppies, there are black puppies and white puppies. What is the ratio of the number of white puppies to black puppies?

There are students in a computer science class. If there are boys in the class, what is the ratio of the number of girls in the class to the total number of students in the class?

Jose is times taller than his baby brother Michael. If Jose is inches tall, how tall is Michael?