Percentage Calculations and Concepts

The video tutorial explains how to solve a real-life problem involving calculating the actual cost of a taxi ride excluding a tip. It demonstrates setting up and solving an equation where the total amount paid includes a 15% tip. The tutorial also introduces a similar practice problem involving tax on a designer shirt, encouraging viewers to apply the same method. Key concepts include understanding percentages, setting up equations, and solving for unknowns.

What was the total amount Sam paid to the taxi driver?

• $115.00

• $84.00

• $100.00

• $96.60

What percentage of the actual cost did Sam pay including the tip?

• 110%

• 100%

• 115%

• 120%

If the tip was 15%, what was the actual cost of the taxi ride?

• $100.00

• $115.00

• $84.00

• $96.60

How do you express 115% as a fraction?

• 115/100

• 1.15

• 100/115

• 15/100

What operation is used to find the actual cost from the total amount paid?

• Addition

• Subtraction

• Division

• Multiplication

What is the first step in solving for the actual cost of the taxi ride?

• Multiply by 115%

• Subtract 15% from the total

• Add 15% to the total

• Set up an equation

What was the percentage increase due to the tip?

• 20%

• 25%

• 15%

• 10%

What is the total percentage paid when a 15% tip is added?

• 100%

• 110%

• 115%

• 120%

What is the total amount paid for the designer shirt?

• $100.00

• $113.00

• $118.87

• $130.00

What percentage of the actual cost was paid for the designer shirt including tax?

• 120%

• 113%

• 110%

• 100%