Percentage Calculations and Discounts

The video tutorial covers various percentage problems, including calculating what percentage one number is of another, determining original prices and discounts, and solving rate and speed problems using ratios. The instructor uses examples to explain each concept, providing a clear understanding of how to approach these types of math problems.

If 160 is what percentage of 40, what is the percentage?

• 200%

• 300%

• 500%

• 400%

40 is 160% of which number?

• 35

• 20

• 25

• 30

What number is 40% of 160?

• 72

• 64

• 80

• 96

If a store offers a 20% discount and you save $13, what was the original price?

• $65

• $60

• $55

• $50

A scarf originally costs $16 and you save $12. What percentage discount did you receive?

• 50%

• 75%

• 60%

• 70%

An ant travels 30 cm in 2 minutes. What is its pace per centimeter?

• 2 seconds

• 3 seconds

• 4 seconds

• 5 seconds

What is the speed of the ant in centimeters per minute?

• 25 cm

• 20 cm

• 15 cm

• 10 cm

What is 120% of 100?

• 120

• 130

• 110

• 100

What is 50% of 150?

• 75

• 50

• 60

• 70

What is 150% of 50?

• 50

• 60

• 70

• 75