Set up and solve the following question using percent proportions:
25% of 16 is _____.
What is 4.
100
Set up using a percent equation:
20% of _____ is 10.
What is 50?
100
What is the discount: $50 at 10% off?
What is $5?
100
65% of students do not study prior to tests. If there are a total of 700 students, how many do not study for tests?
What is 455?
100
Principal: $2000
Rate: 6%
Time: 5 years
What is the interest?
What is $600?
200
Set up and solve using percent proportion:
49 out of 50 is ____.
What is 98%?
200
Set up using a percent equation:
15 is 10% of _____
What is 150?
200
You paid $30 for a great haircut and decided to leave a 17%. How much tip did you leave?
What is $5.10?
200
16 out of 20 people use debit cards instead of checks. What percentage like to use debit cards?
What is 80%?
200
A coat original cost $50 and now is on sale for $40. Calculate the percent change.
What is 20%?
300
Set up and solve using percent proportion:
100 % of 17 is _____.
What is 17?
300
What is the formula for a percent equation?
What is part = percent * whole?
300
The tax rate in Florida is 7%. You just purchased a $5 footlong. How much is your TOTAL BILL?
What is $5.35?
300
There are 35 boys out for football. This is about 5% of the total enrollment. How many total kids are in the school?
What is 700?
300
Principal: $20,000
Rate: 3%
Interest:$2,400
What is the time?
What is 4 years?
400
Set up and solve using percent proportion:
40 is 50% of ____.
What is 80?
400
Set up using a percent equation:
40 is 50% of _____.
What is 80?
400
What is the difference between a tax, tip, and discount?
Tax is added to your bill and paid to the government.
Tip is an added cost due to excellent service.
Discount is a decrease in your bill due to a coupon or clearance.
400
John got 17 out of 20 on his test. What percentage did he get correct?
What is 85%?
400
What is the formula for percent change?
What is the amount of the change/ original amount times 100?
500
Set up and solve using percent proportion:
Your school's newspaper budget is 160% of last year's. Last year's total budget was $2125. This year's budget is....
What is $3400?
500
Set up using a percent equation:
75% of ______ is 15
What is 20?
500
You just bought a new coat that cost $100 at 20% off. The tax rate is 8% in your state. How much did you end up paying total?
What is $86.40?
500
Mary got 18 out of 25 on her test. What was her percentage?
What is 72%?
500
Write 3 formula that you've learned during this unit.
What is simple interest, percent proportion, percent equation, and percent change?