Percent Proportion Flashcard

Front

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

Back

Percentage = (Part / Whole) × 100

Front

What is 20% of 45?

Back

9

Front

What percent of 50 is 20?

Back

40%

Front

20 is 80% of what number?

Back

25

Front

18 is 40% of what number?

Back

45

Front

How do you convert a fraction to a percentage?

Back

Multiply the fraction by 100 and add a % sign.

Front

What is the relationship between percentage, part, and whole?

Back

Part = (Percentage / 100) × Whole

Front

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

Back

40

Front

What is 10% of 200?

Back

20

Front

How do you find the whole if you know the part and the percentage?

Back

Whole = Part / (Percentage / 100)