Transcription

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18 Find a Percent of a Number 1. Forty students went on a field trip. If 75% of them were girls, how many of the students were girls? 2. There are 28 students in Mrs. Vela s class. If 50% of the students belong to an after-school club, how many students in Mrs. Vela s class belong to an after-school club? 3. There are 85 fans at a middle school soccer game. Of these fans, 60% are parents of players. How many of the fans are parents of players? 4. Taste tests show that Theo s Pizza was the favorite of 84% people tested. If 500 people were surveyed, how many voted for Theo s Pizza? 5. There are 45 questions on a test. Mariah answered 80% of them correctly. How many questions did Mariah answer correctly? 6. Sam took a survey of 80 people. Fifty-five percent of the people surveyed said they have at least 2 televisions in their home. How many people have 2 televisions?

19 Find a Percent 1. Out of 25 students in a class, 15 students take dance lessons. What percent of the students in the class take dance lessons? 2. A television that normally costs $480 was on sale for $336. What percent was the price reduced? 3. At Knox Middle School, 120 students play soccer. Of those students 48 are girls. What percent of girls play soccer at Knox Middle School? * 4. Of 25 students who play violins, 8 have soft-sided instrument cases. What percent of the violinists have soft-sided cases? * 5. Among 40 finalists in a music competition, 6 play trumpets, 4 play violins, and 1 plays tuba. The rest are singers. What percent of the finalists are singers?

20 Find a Number When a Percent is Known 1. Of Jerry s teachers, 45% are female. If Jerry has 9 female teachers, how many teachers does he have altogether? 2. On a math quiz, Sandra got 12 of the problems correct. Her score was 80%. How many questions were on Sandra s math quiz? 3. Mark has answered 8 questions on a survey, which is 25% of the questions. How many questions are on the survey? 4. In June, the sale of fish totaled 18% of Petsmart s sales, which came to $7,560. What were the total sales in June? 5. On Friday, 12 of the Sun City fire trucks were used, which is 75% of the trucks. How many fire trucks does Sun City have?

21 Percent Relationships 1. Sixty students went on a field trip. If 40% of them were boys, how many of the students on the trip were boys? 2. Out of 90 people, 40 said that they had never been to the Fresno zoo. What percent of the people had not been to the Fresno zoo? 3. There were 72 students in the cafeteria. 18 of the students were eating pizza for lunch. What percent of the students were eating pizza? 4. Forty-five teachers, which was 75% of the school s teachers, voted to give more homework. How many teachers did the school have?

22 Sales Tax & Discounts 1. The cost of the items in Mindy s shopping cart is $ If the sales tax applied to her purchase is 5%, what is the total cost of the items in her cart? 2. A table cost $ The sales tax is 6.5%. What would be the cost of the table, including sales tax? 3. A lawn mower is on sale for 25% off its regular price. If the discount totals $50.00, what is the regular price of the mower? 4. A pair of jeans costs $25. If the jeans are placed on sale for 20% off, what will the sale price be for one pair of jeans? 5. A radio costs $ At a discount rate of 40%, what is the cost of the radio? 6. Dee received a 10% discount on her annual health club membership. The membership was originally $ What was the discounted price Dee paid? 7. Julie bought a video game that was on sale for 20% off the regular price. If Julie bought the game for $36, what was its regular price? 8. The original price of a pair of sneakers was $85. During a sale, the price was reduced 15%. What was the sale price?

23 9. A backpack is on sale for 25% off the regular price. If the sale price is $52.50, what is the regular price of the backpack? 10. Barbara bought a sweater that was on sale for 20% off the regular price. If the sale price is $35, what was the regular price?

24 Simple Interest 1. Jim s deposit of $500 in a bank earns a simple interest rate of 6.5% per year. If he does not add to his deposit or take away from it, what will be the value of his deposit after 1 year? 2. Last January, Carlos deposited $280 in a bank. If the deposited amount is earning 7.5% simple interest per year, how much interest in dollars will Carlos earn in 1 year? 3. Tamara is saving to buy a car. If she deposits $4,200 in the bank and earns 6% simple interest annually on her deposit, what will be the value of the deposit after 3 years? 4. Daniel put $600 in a savings account for 2 years at an interest rate of 7%. How much interest will he earn? 5. Bill has $1,200 in a savings account. The savings account earns 5% simple interest a year. If Bill leaves the money in the account for 2 years, how much interest will he earn? 6. Teresa earns 8% interest a year on her savings account. If she saves $350 all year with no withdrawals, how much interest will Teresa earn?

25 Tips 1. Kristen owes $49.65 for her family s dinner. If she adds a 20% tip to the amount she owes, how much will the tip be? 2. Melanie was given a bill for $19.62 at her favorite Mexican restaurant. She wants to give a 20% tip. What will be the cost of the meal, including the tip? 3. Michael s tip is 20% of the customer s $50 bill. What is Michael s tip? 4. Stella s tip was 20% of the bill. If the bill was $50, how much tip did Stella receive?