Calculating Percentages and Discounts

The video tutorial covers a lesson on understanding percents, focusing on calculating distances using rate and time, and determining sale prices after discounts. The teacher reviews homework problems, explains the concept of percentages in discounts, and sets up problem sets for further practice. The lesson also includes a reminder about an upcoming test covering module 1 topics.

What is the formula used to calculate distance when given speed and time?

• Distance = Speed / Time

• Distance = Speed + Time

• Distance = Speed - Time

• Distance = Speed x Time

If a shirt originally costs $44 and you save 25%, how much do you pay?

• $22

• $44

• $11

• $33

How much do you save on a $50 pair of pants with a 30% discount?

• $20

• $30

• $35

• $15

What is the sale price of a $20 necklace with a 10% discount?

• $20

• $2

• $22

• $18

If you save 20% on a sweater originally priced at $35, what is the sale price?

• $20

• $35

• $7

• $28

If Jane paid $40 after a 20% discount, what was the original price?

• $60

• $50

• $48

• $40

What percentage of papers did Mr. Yoshi grade if he completed 60 out of 75?

• 80%

• 60%

• 75%

• 90%

If Mrs. Bennett has graded 20% of her 150 papers, how many papers has she graded?

• 30

• 20

• 150

• 120

How many papers does Mrs. Bennett still need to grade if she has completed 20% of 150 papers?

• 120

• 150

• 20

• 30

If Mr. Yoshi's student teacher graded the remaining papers, what percentage did they grade?

• 25%

• 40%

• 20%

• 15%