Sales Tax
The amount of tax Jose will pay for a $15 shirt with 6% sales tax.
The sales tax is $0.90
My mom used a 10% off coupon to pay for her groceries. Percent increase or decrease? What percentage of the initial cost does my mom pay?
percent decrease, 90%
If a population grows from 200 to 250, what is the percent increase?
The percent increase is 25%.
The price of a book was $16.00 dollars and is now $12.00. What is the percent decrease?
25% decrease
Kevin estimated the height of a tree to be 28 feet. The actual height is 30 feet. What is the percent error of Kevin's estimate?
6.66% error
A circular field is 1/4 mile around. Ben runs around it in 1/12 of an hour. What is Ben’s running speed?
3 miles per hour
FTA: How old is Ms. Schroeder?
27 years old
This is the amount of sales tax Sarah will spend on a sweater that costs $27 with a 7% sales tax.
The sales tax is $1.89
Greg goes out to eat and his bill is $55. He leaves a 20% tip for the server. Percent increase or decrease? How much money does he leave as a tip?
percent increase, $11
A marker is 6 inches long. A colored pencil is 10% longer than the marker. How long is the colored pencil?
The colored pencil is 6.6 inches long.
Lance bought a used car for $5500. He sells it two years later for $2475. What is the percent of decrease?
55%
Sophia measured the weight of a package to be 8.5 pounds. The actual weight is 9 pounds. Which is closest to the percent error for Sophia's measurement?
5.55% error
A bike loop is 3 miles long. Ethan finishes the loop in 3/4 hour. What is Ethan’s biking speed?
4 miles per hour
FTA: How did Ms. Schroeder hurt her knee last spring?
She fell skiing.
Aaron paid $117.15 for a baseball bat including tax. The price of the baseball bat on the tag is $110. What is the sales tax percentage?
The sales tax percentage is 6.5%.
A shirt costs $30 and is now on sale for $24 dollars. Percent increase or decrease? What is the percent change?
percent decrease, 20% decrease
The FAMILY SIZE box of cereal contains 40% more than the normal box. The normal box has 16.6 ounces of cereal. How much cereal is in the FAMILY SIZE box?
23.24 ounces of cereal
A store is having a sale where everything is marked down by 30%. If a jacket originally costs $60, what is the sale price?
$42.00
Diego measured the length of a pen to be 44 cm. The actual length of the pen is 46 cm. What is the percent error for Diego’s measurement?
4.3% error
A jogging track is 3/5 mile long. Ella completes a lap in 1/10 of an hour. What is Ella’s jogging speed?
6 miles per hour
FTA: What did Ms. Schroeder do before she became a teacher?
She was a bakery manager at King Soopers.
The sales tax percentage in Greeley, Colorado is 7.01%. Write an expression that shows the final price for any item where x represents the initial cost of the item without sales tax.
1.0701x
A pre-owned car costs $26,000. When it was brand-new, the car cost $33,700. Percent increase or decrease? What percentage did the price change?
percent decrease, 22.8% decrease
Charlie owes $1,680 on his credit card. Every month his credit card company adds 12% interest to the total amount due. How much money did Charlie owe last month (assuming no payments were made)?
Charlie owed $1,500.
Jake is a car salesman. He makes a 6.7% commission on every car he sells on top of his salary. The rest of the profit goes to the dealership. Jake sells a car for $67,000. How much money does the dealership keep?
$62,511
A bathroom scale has an error of 1.7%. If a person weighs 103 pounds, what is a possible weight the scale might read?
101.2 pounds OR 104.7 pounds
A park trail is 3/4 mile long. Sofia runs it in 1/6 of an hour. What is Sofia’s speed?
4.5 miles per hour
FTA: What is Ms. Schroeder's favorite Harry Potter character?
Draco Malfoy
Walmart is having a BLACK FRIDAY SALE! Everything is marked down 25%. A PS5 normally costs $520. The sales tax is 6.7%. How much would you have to pay for the PS5 after the sale and tax?
$416.13
FTA: What concept did we learn about this unit that can be both a percent increase and percent decrease?
percent error
A dealership bought a car from the manufacturer for $11,000. They then sold it to a buyer for $14,850. What was the percent mark-up?
35% markup
Leila got in trouble at work and her pay was cut. She used to earn $16.75 per hour. She now only earns $16. What percent was her pay cut?
4.47% percent decrease
A graduated cylinder actually contains 8.5 milliliters of water. When Kate measures the volume of the water inside the graduated cylinder, her measurement is 8.2 milliliters. What is the percent error for Kate's measurement?
3.5% decrease
A circular track at the park is 1/3 mile long. If Daniel walks around the track 3 times in 1/2 hour, what is his walking speed in miles per hour?
2 miles per hour
The name AND age for any one of Ms. Schroeder's siblings. Spelling counts!
Matthew (17), Emerson "Emi" (13), August (11)