Rates, Ratios, proportions and percents

Front

To rewrite a percent as a fraction: Rewrite the percent using ________ of 100.

Back

denominator

Front

In a room, there are 8 boys to 12 girls. What is the ratio of girls to boys?

Back

3 to 2

Front

Mrs. Bennett has graded 20% of her 150 students’ papers. How many papers does she still need to finish grading?

Back

120

Front

A pet store has 8 dogs, 12 turtles, and 3 cats. What does the ratio 8 : 23 compare?

Back

dogs to all animals

Front

What is 50% of 15?

Back

7.5

Front

What is a ratio?

Back

A comparison of two quantities by division.

Front

What is a proportion?

Back

An equation that states that two ratios are equal.

Front

How do you convert a fraction to a percent?

Back

Multiply the fraction by 100.

Front

What is the formula to find the percent of a number?

Back

(Part/Whole) x 100.

Front

If a recipe calls for 2 cups of flour and 3 cups of sugar, what is the ratio of flour to sugar?

Back

2 to 3.