Understanding Percentages and Their Conversions

The video tutorial covers converting percentages to decimals and fractions, converting mixed numbers to percentages, and converting decimals to percentages. It includes solving word problems and interpreting percentages in real-world contexts. The lesson concludes with additional examples to reinforce the concepts.

What is the first step in converting a percentage to a decimal?

• Multiply by 100

• Divide by 100

• Add 100

• Subtract 100

How do you express 350% as a decimal?

• 0.035

• 35

• 0.35

• 3.5

What is the decimal representation of 0.15%?

• 0.0015

• 0.015

• 0.00015

• 0.15

How can you simplify the fraction 15/10,000?

• 3/2,000

• 1/2,000

• 3/1,000

• 1/1,000

What is the percentage form of the mixed number 2 1/2?

• 150%

• 250%

• 300%

• 200%

How do you convert 4 1/5 to a percentage?

• 420%

• 410%

• 400%

• 450%

What is the percentage equivalent of the decimal 8.5?

• 0.85%

• 8.5%

• 85%

• 850%

How do you express 0.009 as a percentage?

• 0.9%

• 90%

• 0.09%

• 9%

In the milkshake problem, what is the percentage increase from medium to large?

• 140%

• 1.4%

• 14%

• 0.14%

What does three-tenths of a percent represent in the U.S. Census Bureau data?

• 3 out of every 100 people

• 3 out of every 1,000 people

• 3 out of every 10 people

• 3 out of every 10,000 people