Calculating Discounts and Percentages

The video tutorial covers various aspects of percent problems, including converting percentages to decimals, understanding discounts and sales, calculating tax and tip, and determining percent of change. It provides examples and practice problems to reinforce these concepts, using proportions as a key method for solving these types of problems.

What is the decimal equivalent of 6.2%?

• 0.62

• 6.2

• 0.062

• 0.0062

If you have 42%, where should the decimal point be moved to convert it to a decimal?

• Two places to the right

• Two places to the left

• One place to the left

• One place to the right

How do you convert 8% to a decimal?

• 0.08

• 8.0

• 0.8

• 0.008

What is the first step in calculating a discount from a sale?

• Divide the discount by the total

• Subtract the discount from the total

• Multiply the discount by 100

• Add the discount to the total

If a computer is on sale for $680 with a 20% discount, what percentage of the original price are you paying?

• 60%

• 100%

• 80%

• 20%

How do you set up a proportion to find the original price from a sale price?

• Original price over sale price equals percent over 100

• Total over discount equals percent over 100

• Discount over total equals percent over 100

• Sale price over original price equals percent over 100

What is the original price if the sale price is $680 and the discount is 20%?

• $750

• $680

• $850

• $800

When calculating tax, what should you do after finding the tax amount?

• Multiply it by the total

• Add it to the total

• Divide it by the total

• Subtract it from the total

If Orlando buys items totaling $47.50 and the sales tax is 8%, what is the total amount he pays?

• $49.30

• $50.30

• $51.30

• $48.30

How do you calculate the percent of change?

• Change over original equals percent over 100

• Original over change equals percent over 100

• Change over percent equals original over 100

• Percent over change equals original over 100