Percentage Calculations and Discounts

Mr. Richards teaches a lesson on finding percentages, focusing on percent increase, decrease, and specific calculations like commission, tips, and markdowns. The lesson includes activities and an info gap exercise to reinforce understanding.

What is the percentage of tax if a car price is divided into four equal parts and one part is the tax?

• 30%

• 10%

• 20%

• 25%

If a salesperson earns a commission of $693.50 on a car sale of $18,250, what is the commission percentage?

• 5.0%

• 2.5%

• 3.8%

• 4.2%

A customer leaves $40 for a meal that costs $33.75. What percentage of the bill is the tip?

• 15.5%

• 18.52%

• 20%

• 22.5%

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

• 21.3%

• 25%

• 18.5%

• 20%

If a tennis racket is marked down by 15% from $43, what is the new price?

• $36.55

• $35.00

• $40.00

• $38.00

What is the total cost including tax for a tennis racket and three cans of tennis balls if the racket is $43 with a 15% discount and each can is $4?

• $52.68

• $50.00

• $48.55

• $55.00

If a baseball glove costs $34 and is not discounted, but socks are discounted from $6 to $4, what is the percentage savings on the socks?

• 50%

• 33.3%

• 66.7%

• 25%

What is the percentage savings on the total regular price if two packs of socks are bought at a discount?

• 15%

• 12.5%

• 10%

• 8.7%

If a plant grows from 12 inches to 15 inches, what is the percentage increase in height?

• 30%

• 25%

• 35%

• 20%

A rope is cut from 2.4 meters to 1.9 meters. What is the percentage decrease in length?

• 25%

• 22.5%

• 20.8%

• 18.5%