Math Unit Test

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What is the total amount of simple interest that is earned?

$1,131.20

Paige works at a department store and has a commission rate of 3 percent. Her sales for the quarter were $4,596. If she earns $50 per day and she worked 30 days in the quarter, what is the total amount she earned?

$1,637.88

If Zöe orders a book from Store Y, how much tax will she pay?

$1.44

Bryce orders the following items from a catalog. What is the total price he charges to his credit card if the sales tax is 6 percent and nontaxable shipping costs $5 for the order? Round to the nearest cent if necessary.

$120.54

The value of a car decreases by 20 percent per year. Mr. Sing purchases a $22,000 automobile. What is the value of the car at the end of the second year?

$14,080

A book is marked down by 28 percent from an original price of $19.50. What is the new price?

$14.04

What amount of simple interest will be paid on the loan?

$148.80

Raymond works in an electronics store and gets a 12 percent employee discount. The original cost of a video game system is $175. What is the discounted price of the game system?

$154.00

A backpack costs $18 and has a 7 percent tax. How much will Sheila have to pay for the backpack after tax?

$19.26

What was the principal on the loan?

$2,000.00

A board game that normally costs $30 is on sale for 25 percent off. What is the sale price of the game?

$22.50

What is the simple interest that is missing from the table? Use the formula, I=prt?

$24.75

A store is selling a hat at a 55 percent markup. The store originally paid $16 for the hat. What is the retail price of the hat?

$24.80

Beth bought two pairs of earrings for $12.00 each. She also had to pay 6% sales tax. What was her total bill?

$25.44

A restaurant bill is $25, and a 20 percent tip should be given to the waiter. Which expression can be used to find the total amount that will be paid?

$25x0.02

An item is purchased for a wholesale price of $48 and will be sold at a 55 percent markup. Which expression should be used to find the amount of the markup?

$48(0.55)

Charissa is eating out with friends, and it is her turn to pay the gratuity. The bill for the food is $26.50. If she plans to tip at 20%, what should she pay if she doesn't want to leave pennies on the table?

$5.30

Yasmin bought several items at the discount store. She paid 8.75 percent sales tax, an amount of $4.59, on the total amount of her purchase. What was the total amount of her purchase before tax was added?

$52.46

Thom's restaurant bill is $45 and he leaves a 20 percent tip. What is the total cost for Thom's meal?

$54

Iliana signed up for a store credit card with no annual fee to get a discount of 12.5 percent off her entire first purchase.

$58.32

The wholesale price of a lamp is $44 and will be marked up by 40 percent. What is the retail price of the lamp?

$61.60

Linh buys two T-shirts for $12 each, a pair of shoes for $28, and a pair of jeans for $45. She has a coupon for 30 percent off her total purchase. There is no tax on her purchase. What is the final price that Linh pays?

$67.90

If the sales tax rate was 6.25 percent, what was the total cost of the items before tax was added?

$68.48

Kitchen chairs are purchased wholesale for $36 each by a discount furniture store. Then, the store marks up the chairs by 60 percent. The store has a special sale where all items are marked down by 20 percent. How much would two chairs cost during the sale?

$92.16

Joelle would like to tip her hairdresser 20%. If her haircut costs $38.00, which expression should she use to find the tip amount?

(0.2)(38)

Mrs. Sing invests $12,876 for her business at an annual interest rate of 7 percent for 3 years. Which number will Mrs. Sing substitute for r in the simple interest formula?

0.07

A pair of boots has an original price of $95. They are on sale for 35 percent off. What number can you multiply $95 by to equal the discounted price of $61.75?

0.65

Marlye posted a story on her blog. On the first day there were 80 responses and on the second day there were 180 responses. What percent is the increase, 100, of the original number of responses, 80?

125%

LaShea would like to invest her $100 in birthday money. Which option will give her the most money at the end of the investment period?

2 years at 6.5 percent

Constance will put $500 in a savings account. Which option should she choose so that she will have the most money?

2 years at 7 percent

If this resulted in a savings of $600, what is the value of x in the table above?

20%

Each hour, the number of bacteria in Dr. Nall's petri dish tripled. What percent is the population compared to the population the hour before?

300%

Frank and Linda just finished a meal and received their bill for $47.60. They would like to leave their server a 20 percent tip. Which expression could be used to find the total bill including gratuity?

47.60+[(0.2)(47.60)]

Which scenario is modeled by the equation (x)(0.6)=$86.46

A picnic table is on sale for 40 percent off. The original price of the picnic table is x, $144.10

Which scenario is modeled in the diagram below?

Dimitri used a coupon that saved him 80 percent, or $27.48. The price of the items before the discount was $34.35.

Which scenario is modeled in the diagram below?

Kaia saved $165.45 on a new guitar because it was 75 percent off. The price of the guitar before the discount was $220.60.

What was Mara's error?

Mara did not divide correctly.

While shopping at a clearance sale, Samantha finds a $60.00 dress on sale for 25% off. Samantha also has a 50% off coupon. Which statement correctly summarizes her savings?

Samantha will save $37.50 because she must first find the 25% sale price before taking the extra 50% reduction.

Hanna puts $4,383 in a savings account with an annual interest rate of 5.2 percent for 3 years. Into which variable should she substitute 4,383 in the simple interest formula, I=prt?

p

Mrs. Rodriguez wants to pay her restaurant bill which is $24.00. If Mrs. Rodriguez wants to leave a 20% tip on the total, how much should she pay?

$28.80

A 1-liter bottle of orange juice used to cost $2.85 at a food market. Its price has increased; the new price is 110 percent of the original price. What is the new price of the juice? Round your answer to the nearest cent.

$3.14

A sweater that originally cost $40 is on sale for 10 percent off. What is the amount of the discount?

$4

Victor borrowed money at 5.25 percent simple annual interest. At the end of the year, the interest on the loan is $255.94. What was the amount of the loan?

$4,875.05

A section of books is marked down by 15 percent from an original price of $16 each. How much will it cost to buy three books from the sale section?

$40.80

Felipe used a 40 percent off coupon on a single item at the craft store which saved him $16.42. What would the item have cost if he had not used the coupon?

$41.05

A mountain bike is priced at $413. If the sales tax is 6.5 percent, what is the cost to purchase the mountain bike? Round to the nearest cent if necessary.

$439.85

Janice earns a 4 percent commission for the medical equipment that she sells. If she earned $1,823.94 in commission on the digital x-ray machine that she sold, what was the cost of the machine?

$45,598.50

A store sells flower arrangements at a cost of $28 each. Which statements are true regarding the price of the arrangements? Select three options.

1, 2, 3

In a recent flu epidemic, the number of flu cases increased by 40% each week. There were 3,000 flu cases during the first week of January. How many more people were affected by the flu during the third week of January than during the first week?

2,880

Maria studied the traffic trends in India. She found that the number of cars on the road increases by 10% each year. If there were 80 million cars in year 1 of her study, how many more cars were on the road in year 3 compared to year 2?

8,800,000


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