Markup and Percentage Calculations

This video tutorial covers the concept of percentages, focusing on real-world applications such as tax, tip, and discount calculations. It explains how to determine the percentage of a commission from a sale, calculate tips from a bill, and find markdown percentages on sales. The video also explores proportional relationships in data and provides practice problems for students to apply their learning.

If a car's price is divided into four equal parts, and one part represents the tax, what percentage of the car's price is the tax?

• 10%

• 50%

• 25%

• 75%

A salesperson earns a commission of $693.15 on a car sold for $18,250. What percentage of the sale price is the commission?

• 2.5%

• 3.8%

• 5%

• 6.2%

A meal costs $33.75, and the customer leaves $40. What percentage of the bill is the tip?

• 20%

• 18.5%

• 15%

• 10%

A bicycle originally priced at $375 is now $295. What is the markdown percentage?

• 30%

• 21.3%

• 25%

• 15%

To find a 30% increase of a number, you calculate 130% of it. What is the equivalent decimal representation?

• 3.0

• 1.03

• 0.3

• 1.3

A music store marks up instruments by 30%. If a guitar costs $45, what will be its store price?

• $57.00

• $58.50

• $60.00

• $55.00

If a trumpet is sold for $104 after a 30% markup, what was the original price?

• $80

• $75

• $70

• $85

A clarinet bought for $75 is sold for $100. What is the markup percentage?

• 25%

• 30%

• 33%

• 35%

A family spends $49.75 at a restaurant, with the bill being $42. What percentage of the bill is the tip?

• 20%

• 15%

• 16.5%

• 18.5%

If the price of gold increased from $513 to $1060 over 10 years, what is the percentage increase?

• 100%

• 107%

• 116.6%

• 120%