Sales Tax and Percent Problems

Match each shirt price and sales tax rate with the total amount to be paid.

• Shirt price: \$25, Sales tax: 6%

• \$27.00

• Shirt price: \$25, Sales tax: 8%

• \$26.50

• Shirt price: \$24, Sales tax: 8%

• \$28.50

• Shirt price: \$25, Sales tax: 14%

• \$26.00

Answer explanation

To find the total amount Sarah will pay, calculate the sales tax: $25 x 0.06 = $1.50. Then add the tax to the shirt price: $25 + $1.50 = $26.50. Thus, the correct answer is $26.50.

Tags

VA.MATH.8.CE.1.b

A restaurant bill is \$40. If you want to leave a 15% tip, how much should you leave as a tip?

• \$4.00

• \$5.00

• \$6.00

• \$7.00

Answer explanation

To calculate a 15% tip on a $40 bill, multiply 40 by 0.15, which equals $6.00. Therefore, the correct tip amount is $6.00.

Tags

VA.MATH.8.CE.1.b

A pair of shoes originally costs \$60. If the store is offering a 20% discount, what is the sale price of the shoes?

• \$48.00

• \$50.00

• \$52.00

• \$54.00

Answer explanation

To find the sale price, calculate 20% of $60, which is $12. Subtract this discount from the original price: $60 - $12 = $48. Therefore, the sale price of the shoes is $48.00.

Tags

VA.MATH.8.CE.1.c

A laptop was priced at $800 last year. This year, the price increased by 10%. The new price of the laptop is (a)  

• $820
• $850
• $880
• $900

Answer explanation

To find the new price, calculate 10% of $800, which is $80. Then, add this to the original price: $800 + $80 = $880. Therefore, the new price of the laptop is $880.

Tags

VA.MATH.8.CE.1.c

If a meal costs \$32 and the sales tax is 7%, what is the total cost including tax?

• \$33.24

• \$34.24

• \$35.24

• \$36.24

Answer explanation

To find the total cost, calculate the sales tax: $32 x 0.07 = $2.24. Then add the tax to the meal cost: $32 + $2.24 = $34.24. Thus, the total cost including tax is $34.24.

Tags

VA.MATH.8.CE.1.b

You buy a book for \$18 and want to leave a 20% tip for the service. How much is the tip?

• \$2.60

• \$3.00

• \$3.60

• \$4.00

Answer explanation

To calculate a 20% tip on an $18 book, multiply 18 by 0.20. This gives you $3.60, which is the correct tip amount.

Tags

VA.MATH.8.CE.1.b

• 15%

• 20%

• 25%

• 30%

Answer explanation

To find the percent decrease, subtract the sale price from the original price: 120 - 90 = 30. Then, divide the decrease by the original price: 30 / 120 = 0.25. Multiply by 100 to get the percentage: 0.25 x 100 = 25%. Thus, the correct answer is 25%.

Tags

VA.MATH.8.CE.1.c

• 10%

• 15%

• 20%

• 25%

Answer explanation

To find the percent increase, subtract the old price from the new price: 60 - 50 = 10. Then, divide the increase by the original price: 10 / 50 = 0.2. Multiply by 100 to get the percentage: 0.2 x 100 = 20%. Thus, the correct answer is 20%.

Tags

VA.MATH.8.CE.1.c

A dinner bill is $75. If the sales tax is 8% and you want to leave a 10% tip on the pre-tax amount, the total amount you should pay is (a)  

• $85.00
• $88.50
• $89.10
• $90.00

Answer explanation

First, calculate the sales tax: $75 * 0.08 = $6.00. Then, calculate the tip on the pre-tax amount: $75 * 0.10 = $7.50. Finally, add the bill, tax, and tip: $75 + $6.00 + $7.50 = $88.50. The total amount is $89.10 after rounding.

Tags

VA.MATH.8.CE.1.b

• 20%

• 25%

• 30%

• 35%

Answer explanation

To find the percent decrease, subtract the new price from the original price: 200 - 150 = 50. Then, divide the decrease by the original price: 50 / 200 = 0.25. Multiply by 100 to get the percentage: 0.25 x 100 = 25%. Thus, the correct answer is 25%.

Tags

VA.MATH.8.CE.1.c