M17.5 Unit 3 Ratios, Rates, Percentages

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b'.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

What is the ratio of 18 men to 42 women?

Back

3 to 7.

Front

If the ratio of smartphone owners to flip phone owners is 5:3 and there are 55 smartphone owners, how many flip phone owners are there?

Back

33 flip phone owners.

Front

What does 25% mean in terms of a whole?

Back

25% means 25 out of 100 parts of a whole.

Front

If a book has 200 pages and Tyler has read 25%, how many pages has he read?

Back

50 pages.

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100.

Front

How do you calculate the percentage of a part compared to a whole?

Back

Divide the part by the whole and multiply by 100.

Front

Chelsea ate 12 out of 16 apples. What percent of the apples did she eat?

Back

75%.

Front

What is the ratio of boys to girls if there are 10 boys and 15 girls?

Back

2 to 3.