Converting Fractions to Percentages

This video tutorial explains how to express one quantity as a percentage of another. It begins with non-calculator examples, demonstrating how to convert fractions to percentages by scaling the denominator to 100. The tutorial then progresses to calculator-based examples, showing how to divide the given numbers and multiply by 100 to find the percentage. The video covers both simple and more complex scenarios, providing a comprehensive understanding of percentage calculations.

What is the first step in writing one quantity as a percentage of another?

• Multiply the quantity by 100.

• Write the quantity as a fraction.

• Add 50 to the quantity.

• Convert the quantity to a decimal.

How do you convert a fraction to a percentage?

• Divide the fraction by 100.

• Multiply the fraction by 100.

• Subtract 100 from the fraction.

• Add 100 to the fraction.

What is 14 out of 25 as a percentage?

• 56%

• 60%

• 50%

• 70%

To convert 3 out of 10 to a percentage, what should you multiply by?

• 5

• 15

• 10

• 20

What is 7 out of 50 as a percentage?

• 16%

• 10%

• 14%

• 12%

How do you convert 8 out of 20 to a percentage?

• Multiply by 6

• Multiply by 3

• Multiply by 4

• Multiply by 5

What is the percentage equivalent of 6 out of 40?

• 25%

• 10%

• 20%

• 15%

What is the first step in calculator-based percentage questions?

• Multiply by 100

• Divide the quantities

• Add the quantities

• Subtract the quantities

What is 32.7 out of 49.7 as a percentage?

• 68.9%

• 60.5%

• 70.2%

• 65.8%

How do you convert 1.87 out of 13.62 to a percentage?

• Add 13.62

• Subtract 1.87

• Divide by 13.62 and multiply by 100

• Multiply by 10