Percentage Calculations and Comparisons

This video tutorial covers Unit 3 Lesson 15, focusing on finding percentages of numbers. It includes various examples and practice problems, such as calculating percentages of time spent on activities, analyzing amusement park visitor demographics, and comparing costs of sandwich rolls. The lesson also explores ordering percentages and solving percentage statements. The video concludes with a field trip ratio analysis and a prompt to subscribe for more lessons.

If Priya calculates two-fifths of a number, what percentage of the number is she finding?

• 20%

• 30%

• 40%

• 50%

How long did Priya practice the violin if she practiced 152% of the time Han practiced the piano?

• 152 minutes

• 114 minutes

• 75 minutes

• 120 minutes

What percentage of the amusement park visitors were children aged 12 and under?

• 16%

• 28%

• 56%

• 12%

Which of the following is the greatest: 55% of 180, 300% of 26, or 12% of 700?

• All are equal

• 55% of 180

• 300% of 26

• 12% of 700

What is 20% of 60?

• 6

• 12

• 18

• 24

If 25% of a number is 6, what is the number?

• 12

• 18

• 24

• 30

What percent of 100 is 14?

• 25%

• 20%

• 14%

• 10%

What is 50% of 90?

• 60

• 45

• 75

• 30

If 10% of a number is 7, what is the number?

• 50

• 80

• 60

• 70

Which package offers a better deal for sandwich rolls: a six-pack for $5.28 or a four-pack for $3.40?

• Six-pack

• Neither

• Both are the same

• Four-pack