Calculating Percentages and Sales Tax

The video tutorial covers lesson 8.3 from the sixth-grade Go Math textbook, focusing on solving percent problems. It includes step-by-step solutions to various percent calculations, advanced percent calculations, and real-world applications of percentages. The tutorial also explores weight calculations on different planets using percentages. The lesson concludes with a summary and final thoughts.

If you have 64 tiles out of 75, what percentage of the tiles do you have?

• 64%

• 85%

• 75%

• 48%

What is 20% of 70?

• 35

• 14

• 20

• 28

How can you simplify the fraction 85/100 to find the percentage of 40?

• 17/20

• 85/40

• 34/40

• 20/17

What is 5% of 220?

• 11

• 10

• 15

• 22

If 60 minutes is 20% of a total time, what is the total time?

• 300 minutes

• 240 minutes

• 180 minutes

• 360 minutes

If Ashton has saved 60% of $120, how much more does he need to save?

• $48

• $50

• $72

• $60

If a $500 stereo has a 7% sales tax, how much is the sales tax?

• $35

• $50

• $70

• $25

What percentage of an object's Earth weight is its weight on Mars if it weighs 56.55 pounds on Mars and 150 pounds on Earth?

• 50%

• 37.7%

• 24.9%

• 56.55%

How much would a 180-pound spacesuit weigh on the Moon?

• 37.7 pounds

• 24.9 pounds

• 56.55 pounds

• 29.88 pounds

If your weight on Jupiter is 236.4% of your Earth weight, how much would a 180-pound object weigh on Jupiter?

• 180 pounds

• 236.4 pounds

• 425.52 pounds

• 300 pounds