% increase and decrease
Money, Money, Money, Money..... MONEY!! $
Decisions..... Decisions
Interest
UGH...Taxes
100

A dress that normally sells for $72 is on sale for $45. What is the percent decrease in the price?

37.5% decrease

100

A car salesman earns 10% commission on each car he sells. Last week he sold $87,500 worth of cars. How much commission did he earn?

He earned $8,750

100

Which coupon is the better deal on a $125 item?

25% off a purchase of $75 or more

$30 off a purchase of $100 or more 

25% off will save you $31.25

100

What is the formula for calculating interest? 

100

The sales tax in Georgia is 7%. What is the amount of tax collected on a $24 shirt? 

$1.68

200

A home purchased for $120,000 in 2012 is sold for $156,000 in 2015. What is the percent increase in the price?

30% increase

200

Tamara worked the pottery convention last week and was paid a percentage of the sales. The total amount of sales was $215,700 and she was paid $6400. What was the approximate percentage (rounded to the nearest whole percentage) of total sales Tamara was paid?

approximately 3% percent of total sales

200

Would you rather take 20% off or take $5 off a $25 item?

Both discounts would take $5 off making the item only $20

200

John just bought a $325,000 house with a 30 year fixed rate mortgage at 3.2% interest. What will be the amount of interest John pays on his house by the time he is finished with hos mortgage payments? 

$312,000

200

What is the percent increased formula ?

Bonus: What does the 1 represent in the equation?

 C(1+%)= T 

where "C" represents the original cost and "T" represents the total

The 1 represents 100%

300

The CD Warehouse is having a clearance sale. A CD player that originally sells for $60 is now priced at $36. What is the percent decrease in the price?

40% decrease

300

A waitress earned a 15% tip on a $78 bill. How much was the waitress' tip and what was the diner's total bill?

tip: $11.70

Total bill: $89.70

300

Would you rather work for 8 hours earning $11.25 an hour or would you rather be a server and earn an 18% tip on each of the following bills $125, $250, $75

I would prefer to work for 8 hours earning $11.25 an hour: 8 x 11.25 = $90

18% of $125: $22.50, $250: $45, $75: $13.50

$22.50 + $45+ $13.50 = $81

300

Sally deposited $1,500 in an account for 20 years and accrued $750 in interest. What was her interest rate?

2.5%

300

While on vacation in California you decided to buy some souvenirs. All of your items came to a total of $68.34. With a state tax rate of 13.3% how much did you end up paying for your items?

$77.43

400

Ken’s heart rate went from 74 beats per minute while resting to 148 beats per minute while exercising. What is the percent increase in his heart rate?

100% increase

400

Berry earns 5% commission on every upsell he sells and receives a 12% pay increase for every hour of overtime he works. Last month Berry upsold a total of $1,250 in goods and worked 14 hours of overtime. What was Berry's total bonus last month if he makes $12.75 per hour? 

5% of $1,250 is $62.50

12% of $12.75 is $1.53 making his overtime pay $14.28 per hour. $14.28(14 hours)= $199.92

$62.50 + $199.92= $262.42 

400

A cabinet in Georgia costs $125 and the state tax rate is 7% 

The same cabinet costs $95 in Hawaii where the state tax rate is 11%, but I must pay $25 in shipping costs

Where should I buy the cabinet from?

Hawaii: $130.45

400

Adrianna bought a house and once she was done with her 20 year mortgage with an interest rate of 2% she paid $87,000 in interest. What was the cost of her home? 

$217,500

400

To help with his business' rising costs, Angel decided to increase his prices. Last week a scooter cost $5,299. This week, the same scooter now costs $5,457.97. What was the percentage of price increase on Angel's scooters? 

3% price increase

500

Elinor wanted to order an 18-inch hoagie, which cost $7.99. The sandwich shop is out of 18-inch buns. It only has 12-inch buns. 

What should the percent decrease in cost of the hoagie be? (**What is the % decrease in hoagie roll size**)

What should the new cost be? 

approximately a 33% decrease

New cost is approximately $5.35

500

A real estate agent earns 15% commission on every house he sells. Write an equation to model this scenario. How much commission would he earn if he sold a $875,000 house? 

P (0.15) = C 

where "P" represents the price of the home and "C" represents the commission

$131,250

500

Should Celeste deposit $525 in an account for 10 years with an interest rate of 6% or should she deposit the same amount of money in an account for 8 years with an interest rate of 8%

She will earn $336 in interest if she deposits her money for 8 years with an 8% interest rate

500

How many years did Sheryl leave her money in her bank account if she accrued $19,125 in interest after depositing $42,500 in a savings account with a 5% interest rate?

9 years

500

What tax bracket would I be in if I made $425,000 a year and file married filing jointly? How much money would I pay in federal taxes each year? 

Tax bracket: 32% 

$136,000