discount
markups
markups
A store is having a storewide ¼ off sale. What is the amount saved on an item that costs $7.25?
0.25 ∙ 7.25 = $1.81
The original price of a wooden table is $34. With a discount of the 25%, what is the sale price
34(0.75) = 25.50
How much money would an investment of $3,875 in a 3-year period and 4% simple interest rate makes?
3875 ∙ 0.04 ∙ 3 = 465 The investment would make $465 in interest.
The original value of an antique vase is $350. That same item is now worth $280. Find the percentage of change.
280−350 350 = − 70
350 = −0.2 →
20% decrease
Find the percent change and say whether it is an increase or a decrease.
Original cost: $100
New cost: $59
(59-100)/100 = -41/100 = -.41= -41%
41% decrease
John bought a dented washing machine because it was discounted 15 percent off the original price of $650. What was the reduced price, in dollars?
3 /20 ∙ 650 = $97.50 off
650.00- 97.50 = 552.50
Gary buys a pair of jeans online for $78. The shipping company charges 8% of the item price to make the delivery, how much do the jeans and shipping cost to Gary?
78(1.08) =84.24
$560 are put into a savings account. The account has a 6% simple interest rate. How much money would the account have by the end of 3-years?
560 ∙ 0.06 ∙ 3 = 100.8
100.8 + 560 = 660.8
The account would have $660.80 in it
A company created a new box that can hold 5% more cereal. The original box held 300 grams of cereal. How much cereal does the new box hold?
300 ∙ 1.05 = 315
The new box holds 315 grams of cereal.
Find the percent change from 95 trees to 145 trees.
53%
A used laptop costs $420. The laptop was then marked up 57% before selling it. What was the sale price of the laptop?
420 ∙ 0.57 = $239.40 markup
420.00-239.40=659.40
A customer pays $435.89 for an Xbox Game console and a game. The customer also needs to pay 5% for taxes with his purchase. What is the total price the customer needs to pay at checkout?
435.89(1.05) = 457.68
How much money would an investment of $7,730 during a 3-year period with a 4% simple interest rate make?
7730 ∙ 3 ∙ 0.04 = 927.6 The investment would make $927.60
The population of a city has increased 20% over the years. A few years back the city had a population of 18,000 people. How many people does it have now?
18,000 ∙ 1.2 = 21,600 The population is 21,600.
The price of gasoline rose from $3.50 to $3.71 in one week. By what percent did the gas price rise?
(3.71-3.50)/3.50 = .21/3.50= .06
6% increase
The owner of a fast-food chain spends $3.25 making a burger and then adds 115% markup to sell the burger. Calculate the selling price of the burger.
3.25 ∙ 1.15 = $3.74 markup
3.25+3.74=6.99
The sales tax rate is 4%. If Gus buys a new pair of shoes priced at $117.93, what will be the cost including tax?
117.93(1.04) = 122.65
An amount $360 are put into a savings account. The account has a 2% simple interest rate. How much money would the account have by the end of 10 years?
360 ∙ 10 ∙ 0.02 = 72 At the end of 10 years, the account would have $432.
A football event held over 35,750 people. Now, the event holds 26% more people. How many people are at the event?
35,750 ∙ 1.26 = 45,045 45,045 people are at the event.
As soon as a new car is purchased and driven away from the dealership, it begins to lose its value, or depreciate. Alonso bought a 1994 Plymouth Neon for $9559. One year later, the value of the car was $8500. What was the percent of decrease of the value of the car?
(8500-9559)/8500 = -1059/8500 = -.12
12% decrease
A scientific calculator is 18% off and its sale price is $29.82. What is the original price of the scientific calculator?
𝑥 − 0.18𝑥 = 29.82
0.82𝑥 /0.82 = 29.82 /0.82
𝑥 = $36.37
Riley bought a game that cost $45.25. After sales tax, the total is $47.99. What is the sales tax percentage?
47.99 − 45.25 = 2.74 sales tax
2.74 /45.25 × 100 = 6.06%
How much money would an investment of $390 in an 3-year period with a 4% simple interest rate make?
390 ∙ 3 ∙ 0.04 = $46.80
The investment would make $46.80.
After improvements, the value of a car has increased 35%. The original value of the car was $2,800. How much is the car worth now?
2800 ∙ 1.35 = 3780 The car is now worth $3,780.
In 1995, America Online had about 3,000,000 users. Over the next decade, users are expected to increase from a few million to the tens of millions. Suppose the number of users increases by 150% by the year 2000. How many users will there be in the year 2000?
3,000,000 *1.5 = 4,500,000 users