Conversions and percent

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is often used to compare ratios or to express how much of a whole is represented.

Front

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

Back

To calculate the percent, divide the part by the whole and then multiply by 100. Formula: (Part/Whole) x 100 = Percent.

Front

If 12 out of 30 cars finished a race, what percent finished?

Back

40% (calculated as (12/30) x 100).

Front

What is the percent grade if a student scores 60 out of 75 points?

Back

80% (calculated as (60/75) x 100).

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between numbers, meaning they simplify to the same fraction.

Front

Are 20 out of 45 and 12 out of 25 equivalent ratios?

Back

No, they are not equivalent.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and multiply by 100.

Front

What percent of 25 is 11?

Back

44% (calculated as (11/25) x 100).

Front

What is the formula to find the part when given the percent and whole?

Back

Part = (Percent/100) x Whole.

Front

If a class has 30 students and 18 are girls, what percent are girls?

Back

60% (calculated as (18/30) x 100).