Analyze Percents of Numbers
Connect Percent and Proportion
Represent and Use the Percent Equation
Percent Change, Percent Error, Markups and Markdowns
Simple Interest
100

A local little league has a total of 90 players, of whom 80% are left-handed. How many left-handed players are there? 

72

100

A company that makes haircare products had 3,000 people try a new shampoo. Of the 3,000 people, 9 had a mild allergic reaction. What percent of the people had a mild allergic reaction? 

0.3%

100

In a survey of 3,000 people who owned a certain type of car, 2,310 said they would buy that type of car again. What percent of the people surveyed were satisfied with the car? 

70%

100

If the original quantity is 10 and the new quantity is 11, what is the percent increase?

10%

100

Edward deposited $6,500 into a savings account 5 years ago. The simple interest rate is 4%. How much money did Edward earn in interest? 

$1300

200

The football team has a total of 25 jerseys. There are 5 medium-sized jerseys. What percent of the jerseys are medium-sized?

20%

200

A family buys a studio apartment for $140,000. They pay a down payment of $42,000. What percent of the purchase was their down payment? 

30%

200

The local newspaper has letters to the editor from 10 people. If this number represents 4% of all of the newspaper's readers, how many readers does the newspaper have? 

250

200

A $220 suit is marked down by 30%. Find the sale price. 

$154

200

Marsha deposited $5,500 into a savings account 3 years ago. The simple interest rate is 2%. How much money did Marsha earn in interest? 

$330
300

The registration fee for a used car is 0.8% of the sale price of $5,200. How much is the fee? 

$41.60

300

Last month, you spent $30 on clothing. This month, you spent 130% of what you spent last month. Set up a proportion to model this situation. 

(x/30) = (130/100)
300

Find the commission:

Sales: $450 

Commission Rate: 8%

$36

300

A shoe store uses a 50% markup for all of the shoes it sells. What would be the selling price of a pair of shoes that has a wholesale cost of $65?

$97.50

300

If the simple interest on $1,000 for 4 years if $200, then what is the interest rate? 

5%

400

Is 600% of 3 less than 10, greater than 10 but less than 100, or greater than 100?

Greater than 10 but less than 100

400

During bowling practice, Marley rolled 14 strikes out of 70 attempts. What percent of Marley's attempts were strikes?

20%

400

Find the sales tax

Selling price: $10.00

Rate of Sales Tax: 6%

$0.60

400

Lily likes to collect records. Last year she had 10 records in her collection. Now she has 14 records. What is the percent increase of her collection? 

40%

400

A new bank customer with $3,000 wants to open a money market account. The bank is offering a simple interest rate of 1.9%. How much interest will the customer earn in 30 years? 

$1,710

500

Is 350% of 34 less than 100, greater than 100 but less than 150, or greater than 150?

Greater than 100 but less than 150

500

Ms. Yost has 20 boxes of markers. Next year, She plans to buy 420% more boxes. How many boxes will she have in all?


104

500

There are 4,000 books in the town's library. Of these, 2,800 are fiction. To the find the percent of the books that are fiction, set up the percent equation. 

SET UP PERCENT EQUATION

2,800 = m x 4,000

500

A band expects to put 16 songs on their next CD. The band writes and records 25% more songs than they expect to put on the CD. During the editing process, 60% of the songs are removed. How many songs will there be on the final CD?

8

500

Boden's account has a principal of $600 and a simple interest rate of 3.3%. How much money will Boden earn after 4 years? 

$79.20