Percentage and Proportion Problems

This video tutorial covers solving percentage problems, including basic and advanced calculations. It uses tape diagrams and real-world scenarios to illustrate concepts. The tutorial also explores sales and discounts, providing a comprehensive review and practice of percentage concepts.

What is the result of multiplying 23 by 100?

• 2300

• 23

• 230

• 2.3

If a concert had 250 attendees, how many attended the basketball game if it was 30% of the concert's attendance?

• 75

• 100

• 30

• 50

How do you calculate 140% of 250 using a tape diagram?

• Divide 250 by 10 and multiply by 14

• Divide 250 by 5 and multiply by 7

• Multiply 250 by 1.4

• Divide 250 by 2 and multiply by 14

What is the sale price of a $10 item if it is sold at 80% of its regular price?

• $10

• $8

• $2

• $12

Which expression represents 80% of a number X?

• 0.08X

• 80X

• 8X

• 0.8X

What is 40% of 75?

• 40

• 35

• 25

• 30

If 56% of 1575 visitors were adults, how many adults visited the amusement park?

• 882

• 756

• 700

• 1000

What percentage of 100 is 14?

• 14%

• 10%

• 20%

• 25%

If a shopper needs 24 rolls and the store sells 6 for $5.28, what is the cost per roll?

• $0.75

• $1.00

• $0.85

• $0.88

On a field trip, there are 3 chaperones for every 20 students. If there are 92 people in total, how many students are there?

• 50

• 70

• 60

• 80