Percent Proportion

Front

What is the formula to calculate percentage?

Back

Percentage = (Part / Whole) × 100

Front

If 25% of a number is 10, what is the number?

Back

Number = 10 / 0.25 = 40

Front

What does it mean if a student scores 80% on a test?

Back

It means the student answered 80% of the questions correctly.

Front

How do you convert a fraction to a percentage?

Back

Multiply the fraction by 100.

Front

What is 50% of 200?

Back

100

Front

If 60% of a class passed the exam and there are 30 students, how many passed?

Back

18 students passed (30 × 0.60 = 18).

Front

What is the relationship between percentage, fraction, and decimal?

Back

Percentage is a fraction out of 100, and can be converted to decimal by dividing by 100.

Front

If a shirt costs $40 and is on sale for 25% off, what is the sale price?

Back

Sale price = $40 - ($40 × 0.25) = $30.

Front

What is 15% of 60?

Back

9 (0.15 × 60 = 9).

Front

If 80% of a number is 32, what is the number?

Back

Number = 32 / 0.80 = 40.