Percent to Decimal/Decimal to Percent
Percent Proportion/Percent Equation
Percent Change/Percent Error
Sales Tax, Tip, Discount
Simple Interest
100
A fruit drink that was sold in 16-ounce containers is now sold in 20-ounce containers. What is the percent of change in quantity? State whether this is an increase or a decrease.
What is 25% increase.
200
Convert 4.9% to a decimal.
What is .049
200

Use the percent equation to solve: The local bakery sells 150 donuts a day. If 70% of these donuts are sold in the morning, how many donuts are sold in the morning?

What is 105 donuts

200
On Tuesday, Nash made 231 free throws on Wednesday he made 258 free throws. What is the percent change in his free throws? Round to the nearest percent. State whether this is increase or decrease.
What is 12% increase.
200
If a sweater costs $37.99, and the sales tax is 6%, what is the total price of the sweater?
What is $40.27.
200
If you invest $1200 in an account that pays 13.2% simple interest, what is the balance of the account after 4 years?
What is $633.60
300
Convert .008 to a percent
What is 0.8%
300
Use the percent equation. 0.5% of all statistics are true. If you have a list of 1,400 statistics. How many are true?
What is 7 statistics.
300

Al's Quick Mart sells milk for $1.99 per gallon, but they used to sell it for $2.79. What is the percent change in the price? Round to the nearest whole percent. State whether this is increase or decrease.

What is 29% decrease.

300

A certain container of mouthwash usually costs $2.99 at a store. If it is on sale for 20% off, how much does the mouthwash cost now?

What is $2.39

300
If you buy a necklace for $400 on your credit card, which charges 21.3% simple interest, how much interest will be added after 15 months?
What is $106.50
400
Convert 3.1 to a percent
What is 310%
400

Use the percent proportion A store paid $75.29 for a couch. To make a profit, the store charged 270% of the cost. What is the price tag the store puts on the couch?

What is $203.28

400

You want to reduce your daily calorie consumption by 10%. If your daily calorie consumption is currently 2100 calories, How many calories should be your goal for a week?

13,230

400

Elvia can get a 15% discount on a $68.53 purchase at a certain department store because she works there. What would be the new price?

What is $58.25.

400
Find the interest earned if you place $76.43 into an account that pays 21.5% simple interest, and leave it in for 3 months.
What is $4.11
500
Convert 0.07% to a decimal
What is .0007
500

Use the percent equation: John flips a quarter. It falls on tails 6 times, if this is 30% of the time, how many times did he flip a quarter.

What is 20 times.

500

If a stereo is sold for $59.99, and Karen pays $64.19 for it when she checks out, what is the sales tax in dollars?

What is $4.20 tax.

500
If you take out a loan for $550 at 7.2% simple interest and make no payments for 6 months, how much do you owe total?
What is $569.80.
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