Challenge
Tax
Comission
Interest
Percent Increase/Decrease
100
In a survey of 1,300 people who owned a certain type of car, 260 said they would buy that type of car again. What percent was satisfied?
What is 20%.
100
If an Underarmour sweatshirt is 60 and there is a sales tax of 3%, how much will the tax be? What will your total cost be?
What is tax- 1.80 and total cost- 61.80.
100
Madalyn has a weekend job advertising for an upcoming play. She has two options for being paid. Option A is an hourly wage of $6.75. Option B is an 8% commission on all money made at the play. She plans to work 7 hours each day on Saturday and Sunday. Madalyn estimates the play will make about 2,000 that weekend. Which deal is better?
What is Option B.
100
Jade deposits 100 into a savings account that has a simple interest rate of 4.3%. Danny deposits $200 into a savings account that has a simple interest rate of 2.7%. Who earned more interest in one year?
What is Danny.
100
Mr. Long likes to collect records. Last year he had 15 records in his collection. Now he has 18 records. What is the percent increase of his collection?
What is a 20% increase.
200
A class had a total of 95 students, of whom 40% are left handed. How many are left handed?
What is 38 students.
200
Mr. Greenwell has to buy a $25 dollar gift for Mrs. Carey. He found a stapler for $23. With a sales tax of 6% added on, will he have enough money to buy the stapler for Mrs. Carey? If so- how much will he pay?
What is yes, he will pay $24.38.
200
Charles is a stockbroker. He earns 14% in commission each week. Last week, he sold $5300 worth of stocks. How much did he make last week in commission? If he typically makes that much each week- how much did he make in comission that year?
What is $742 per week and $38,584.
200
Suppose you earn $1 in interest in Account A and $3 in interest in Account B after 3 months. If the simple interest rate is 4% for Account A and 3% for Account B, which account has the greater principal?
What is Account B.
200
Jake ordered 30 large pizzas for a party. When the party was over he had 17 pizzas remaining. Estimate the percent change in the number of large pizzas.
What is 50%.
300
A student answers 60% of the questions on a math exam correctly. If she answers 42 questions correctly, how many are on the exam?
What is 70.
300
The sales tax rate in a city is 5%. Find the sales tax on a purchase of $200. Then find the total cost.
What is $10 and $210
300
Fallon worked in a jewelry store and earned 8% commission last week. Last week she sold $680 worth of jewelry. How much did she make in commission? How much did the jewelry store make?
What is $54.40 and $625.60.
300
You earn $5.25 in interest in Account A and $28 in interest in Account B after 21 months. If the simple interest rate is 3% for Account A and 4% for Account B, which account had the greater principal?
What is Account B?
300
Suppose the original quantity is 160 and the new quantity is 104. What is the expression for the percent decrease? What is the percent decrease?
What is (160-104) / 104, and 35%
400
A computer store buys a computer system at a cost of $713.25. The selling price was set at $951, but after a year the computer did not sell. The store then advertises a 25% markdown on the $951 computer system. Find the sale price.
What is $713.25.
400
A play station is on sale for 25% off 385. If the sales tax is 5.75%, how much total will the play station be?
What is $305.35
400
Emily has a weekend job acting in a play. She has two options of being paid. Option A is to make an hourly wage of 7.25 per hour. Option B will be to make 6% commission on all profits from the play. She plans to work 8 hours a day on Saturday and Sunday. The play is estimated to bring in about $1,900. Which is the better option?
What is Option A.
400
Suppose you deposit $600 in a bank account with a simple interest of 3.7%. You want to keep your deposit in the bank long enough to earn at least $100 in interest. How long should you keep your deposit in the bank?
What is 5 years.
400
A computer store bought a program at a cost of $20. It sold for 27$. Find the percent markup.
What is 35%
500
The number 100 is increased by 40%. The result (answer from the first) is then decreased by 40%. What is the final number?
What is 84
500
If sales tax is 7% how much tax would you owe on a $21.45 cactus?
What is $1.50.
500
A real estate agent sold a house for $304,000. The commission rate is 4.5% for the agency and the commission rate for the agent is 20% of the amount the real estate agent gets. How much did the agency make on the house? How much does the agent earn?
What is $13,680 and $2,736
500
Suppose you deposit $100 into a savings account 3 years ago. With a simple interest rate of 2.3%, how much interest can you earn?
What is $6.90
500
The selling price of a couch is $495. After 6 months of not selling, it is marked down by 20%. After another 6 months of not selling, it is further marked down by 10%. Find the sale price after both markdowns combined.
What is $356.
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