Equations and Percentages in Word Problems

This video tutorial covers various percentage-related problems, including calculating retail prices with markups, determining original prices from discounts, computing sales commissions, and understanding loan interest. It also involves matching real-world situations with mathematical equations. The tutorial is designed for seventh-grade students and aims to enhance their understanding of percentage contexts in practical scenarios.

What is the first step to find the retail price of a car after a markup?

• Add the markup percentage to the original price.

• Multiply the original price by the markup percentage.

• Subtract the markup percentage from the original price.

• Divide the original price by the markup percentage.

If a car costs $8,350 and is marked up by 17.4%, what is the amount of the markup?

• $1,400.00

• $1,500.00

• $1,435.00

• $1,452.90

What is the retail price of a car that costs $8,350 with a 17.4% markup?

• $9,700.00

• $9,000.00

• $9,802.90

• $9,500.00

How do you calculate the original price of pants if the sale price is $15.20 after a 20% discount?

• Add 20% to the sale price

• Divide the sale price by 0.8

• Subtract 20% from the sale price

• Multiply the sale price by 1.2

What was the original price of pants if the sale price is $15.20 after a 20% discount?

• $19.00

• $18.00

• $19.00

• $19.00

What is the commission rate if a salesperson earns $27.23 from selling a couch for $495?

• 6%

• 5.5%

• 5%

• 4.5%

How much does the store earn from a $495 couch sale after paying a $27.23 commission?

• $467.77

• $480.00

• $470.00

• $460.00

What is the interest amount on a $7,500 loan after one year at 3.8% interest?

• $290.00

• $280.00

• $300.00

• $285.00

What is the total balance of a $7,500 loan after one year at 3.8% interest?

• $7,790.00

• $7,750.00

• $7,800.00

• $7,785.00

What is the interest amount on a $7,500 loan after one year at 5.3% interest?

• $400.00

• $397.50

• $390.00

• $395.00