Percentage and Rate Problems

This video tutorial by Mr. Richards covers grade six unit three lesson 12 practice problems focusing on percentages and tape diagrams. It includes examples of calculating percentages of distances walked by students, determining the percentage of muffin flavors with chocolate, analyzing grade distribution in a school band, calculating a cell phone budget, comparing ticket prices, and determining running time and distance for an athlete.

If Priya's distance is considered 100%, what percentage of her distance did Tyler walk?

• 90%

• 80%

• 60%

• 70%

What percentage of Tyler's distance did Priya walk?

• 125%

• 115%

• 110%

• 100%

In a bakery with 40 muffin flavors, how many flavors contain chocolate if 25% have chocolate?

• 20

• 15

• 10

• 5

How many flavors do not contain chocolate?

• 20

• 25

• 30

• 35

What percentage of the school band are eighth graders?

• 20%

• 30%

• 50%

• 40%

How many sixth graders are in the school band if there are 70 students in total?

• 42

• 35

• 28

• 14

If Jada's cell phone bill was $60, which was 120% of her budget, what was her original budget?

• $55

• $50

• $40

• $45

Which is a better deal: 5 tickets for $12.50 or 8 tickets for $20.16?

• Both are the same

• 8 tickets for $20.16

• Neither is a good deal

• 5 tickets for $12.50

How long will it take the athlete to run 9 miles if they run 8 miles in 50 minutes?

• 55 minutes

• 56.25 minutes

• 57.5 minutes

• 60 minutes

How far can the athlete run in one hour if they run 8 miles in 50 minutes?

• 10 miles

• 9.6 miles

• 9 miles

• 8.5 miles