Combination
While Mike was visiting his sister in Arlington, he bought an aquarium that was marked down 60% from an original price of $100. If the sales tax in Arlington is 5%, what was the total cost of the aquarium?
$42
Maddie receives a weekly allowance for completing all of her chores. The current amount Maddie receives is $27. That is 35% more than she got during elementary school. What was Maddie's weekly allowance then?
$20
The last time Julie checked, the corn stalks in her back yard were 65 inches tall. Now they are 20% taller. How tall are the stalks now?
78 inches
What is a commission?
A percentage of the sales price of an item given to the salesperson.
Brandon estimated that he would spend $35 on his ticket and snacks at a baseball game with his friends. Happily, he only spent $28. What is the percent error for Brandon's estimate?
25%
In Richmond, Chloe ordered $40 worth of sushi. She knew that when the bill came, she would need to pay Richmond sales tax of 5% and would want to leave a 20% tip on the original $40. Including tax and tip, how much did Chloe's meal cost?
$50
Carrie swims several times a week in a lake near her house. This past summer, the average water temperature was 18 °C, which is 10% cooler than it was last summer. What was last summer's average water temperature?
20°C
Jason has decided to examine his checking account statements. The account balance was $80 last month, and 25% less this month. What is the account balance this month?
$60
John sold a computer for $700. He gets 5% of what he sells. How much money did John make?
$35
The scale shows the package weighing 3 pounds. At the post office, the clerk weighs the package on a more precise scale, and it weighs 3.25 pounds. What is the percent error for Greta's scale's measurement?
7.7%
A trampoline was originally priced at $100 but went on sale for 60% off. If Emmett bought the trampoline and paid 5% sales tax, how much did he pay in total?
$42
The students at Arcadia High School have been planting trees as part of an ongoing service project. This month, they averaged 7 trees per participant. That is 75% more trees than their average the last time they did it. What was their average last time?
4 trees
When Ellie planted a large bush in her garden, it was 5 feet tall. Now it is 40% taller. How tall is the bush now?
7 feet
John sold a car for $7000. He gets 5.5% of what he sells. How much money did John make?
$585
Akira is redecorating her bedroom. She misread the markings on her ruler and thought a picture frame she bought was 5.2 centimeters wide. The frame's actual width was 4.8 centimeters. What is the percent error for her measurement?
8.3%
A ceramic vase was originally priced at $100 but went on sale for 50% off. If Ernesto bought the ceramic vase and paid 12% sales tax, how much did he pay in total?
$56
Nora planted sunflowers in the community garden. Today, the plants are 92 inches tall. That is 15% taller than they were upon her last visit to the garden. How tall were the sunflowers then?
80 inches
An accountant used to charge $88 per hour, but recently decided to charge 25% less. Now how much does she charge per hour?
$66
A store pays $94 for lawn ornament and increases the price by 35%. What is the amount of the mark-up?
$32.90
Yesterday was the first day of the Dodge County Fair. The fair's organizers estimated 1,200 people would attend. Unfortunately, it rained, so only 960 people attended. What is the percent error for the organizers' estimate?
25%
A bike shop in Belleville bought a mountain bike for $723 and marked it up 50% from the original cost. Later on, Andy purchased the mountain bike and paid Belleville sales tax of 14%. How much, including tax, did he pay for the mountain bike?
$1,236.33
Jamal just measured his pet snake and found out that it is 87 inches long, which is 50% longer than the last time Jamal measured. How long was the pet snake last time?
58 inches
An accountant used to charge $52 per hour, but recently decided to charge 25% more. Now how much does she charge per hour?
$65
Olivia buys a grandfather clock priced at $906.If the sales tax is 10%, what will be the total cost including tax?
$996.60
In science class, Anita is learning to use a method called water displacement to find the volume of a solid. In today's experiment, she misread the markings on her graduated cylinder and found the volume of a solid to be 0.46 cubic centimeters. Anita's lab partner corrected her by saying the actual volume of the solid was 0.50 cubic centimeters. What is the percent error for Anita's measurement?
8%