Tax/Discount
Unit Rates
Tip/Discount
% of Change/Error
Simple Interest/Misc
100
This is the final price for an item costing $85.50 with a 20% discount.
What is $68.40
100

I can bike 15 miles in an hour. What is my unit rate in miles per minute. 

0.25 miles per minute

100
Amount of tip for a $55 bill with 20% tip.
What is $11
100

What is the percent of change from 5 cups to 8 cups

What is 60% increase

100

How much interest is earned in 3 years if you deposit $500 at a 3% interest rate?

I = (500)(.03)(3)

$45

200
This is the amount of tax Sarah will spend on a sweater that costs $27 with a 7% tax.
What is $1.89?
200

What is the unit rate of y = 2.7x

2.7

200
The amount of discount on a $30 item with a 25% discount.
What is $7.50
200

There were 75 students in an art class last Friday.  This Friday, there are 15 students.  What was the percent of change?

What is 80% decrease

200

What is the constant of proportionality of 4y = 40x

divide both sides by 4 to get y alone so 

y = 10x

so 10

300
This is the total cost of a baseball bat priced at $110 with 6.5% tax.
What is $117.15
300

What is the climber's unit rate if he can climb 288 feet in 9 hours. 

32 ft/hour

300
Total cost for a $110 dinner with 25% tip!
What is $137.50?
300

Yesterday your bus ride to school took 8 minutes. Today because of the snow, the bus ride took 10 minutes. What is the percent of change?

What is 25% increase

300

How much total is in your bank account after 3 years if you deposit $500 at a 3% interest rate?

I = (500)(.03)(3)

$45 plus $500

$545

400
The amount of discount when MIke bought a $990 computer with a 30% discount.
What is $297
400

What is the unit rate of (12, 24) and what is the ordered pair for that unit rate?

unit rate is 2

ordered pair is ( 1, 2)

400
The wholesale price of the skateboard was $70. The markup of the skateboard is 125%. What is the new price?
$157.50
400

what is the percent of error if it was 42 pounds but the actual was 35 pounds?

7/35 = p/100

20% error

400

What is the constant of proportionality of 40y = 20x

divide both sides by 40 to get y alone

y = .5x or y = 1/2x

so cop is .5 or 1/2

500

The percent of discount on an item that was $68 and is now $40.80. Choose one: 20% 25% 30% 40%

What is 40%

500

If you can buy 24 eggs for $8.64, what is the price for 7?

What is $2.52?

500

The percent of tip for a $50 meal if you leave only $5. Choose one: 10% 15% 20% 25%

What is 10% tip.

500

The chemist got the sample to 1.25 but needed it to be 1.35. What is the percent of error?

.10/1.35 = p/100

7.41% error

500

What is the simple interest of $100 deposit over 18 months at a 1.1% interest rate?

I = (100)(.011)(1.5)

$1.65

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