Homework 13
Name: _____________________________________________ Chapter 6 Page 182 - 217
Practice 6.1 – Understanding Percent
Solve. Show your work.
1) Out of a total of 500 flowers, 65 are roses. What percent of the flowers are roses?
2) Of the 200 packages of bagels sold, 15 of them are sesame seed bagels. What percent of the bagels sold are sesame seed bagels?
3) In a survey of music preferences, 81 out 450 students said that they preferred country music. What percent of the students preferred country music?
4) There are 750 spectators in a stadium, of which 420 are women and the rest are men.
a) What percent of the spectators are women?
b) What percent of the spectators are men?
Express each percent as a fraction or a mixed number in simplest form.
5) 65% 6) 78% 7) 92%
8) 125% 9) 276% 10) 580%
Express each percent as a decimal.
11) 6% 12) 43% 13) 80%
14) 367% 15) 579% 16) 779%
Solve. Show your work.
17) The music for Nadia’s dance routine lasts for exactly 4 minutes. When Nadia dances her routine, she starts with her music and finishes 12 seconds before the music ends. What percent of the time the music is playing is Nadia dancing?
Practice 6.2 – Fractions, Decimals, and Percent
Express each fraction or mixed number as a percent.
1) 2) 3)
4) 5) 6)
Express each decimal as a percent.
7) 0.46 8) 0.7 9) 0.06
10) 1.52 11) 6.03 12) 8.9
Express each percent as a fraction in simplest form.
13) 5.75% 14) 25.5% 15) 85.25%
16) 17) 18)
Express each fraction as a percent. Round your answer to the nearest whole number. (calculator)
19) 20) 21)
Find the missing fractions and decimals.
22)
23) School A has 450 seniors, and 432 of them plan to go to college. School B has 380 seniors and 361 of them plan to go to college. In which school does a greater percent of students plan to go to college?
Practice 6.3 – Percent of a Quantity
Solve.
1) What is 15% of 12 meters?
2) A park ranger finds that 35% of the park’s visitors stay at the campground. If 105 visitors stayed at the campground one day, how many visitors did the park have that day?
Find the quantity represented by each percent.
3) 45% of $360 4) 66% of 740 kilometers
Solve. Show your work.
5) There are 1,500 students in a school. 65% of them are girls. How many girls are there in the school?
6) A school raises $4,000 for its new library. 36% of the money is used to buy reference books. How much money is used to buy reference books?
7) Ms. Galan spent 55% of her savings on a television that cost $550. How much money did she have in her savings before she bought the television?
8) 75% of a number is 354. Find the number.
9) Ahyoka has 250 CDs. 10% are country, 70% are pop, and the rest are hip-hop. How many CDs are hip-hop?
10) There are 820 people at a stadium. 65% of them are adults, 20% of them are boys, and the rest are girls. How many girls are there at the stadium?
11) Ms. Stapleton had 2,600 hens, ducks, and goats on her farm. 35% of them were hens, and 25% of them were goats. How many ducks did she have on her farm?
12) There are 1,505 fruits for sale at a farmer’s market. 39% of them are apples, 28% are oranges, and 13% are honeydew melons and the rest are watermelons. How many watermelons are there?
14) 250% of a number is 60. Find the number.
16) Last month, Alex spent 40% of his salary on a laptop. He then spent 30% of it on his bills and saved the remaining $1,200. What was his salary?
17) 20% of the spectators at a tennis match are women. 10% of them are girls, 30% are boys, and the remaining 3,600 spectators are men. Find the total number of spectators at the match.
18) Jovita made 300 greeting cards. She sold 40% of the cards, gave 85% of the remaining cards to her friends, and kept the rest of the cards for herself. How many greeting cards did she keep for herself?
19) Patrick saved $500. He received 25% of the money for his birthday, saved 30% of the remainder from his allowance, and earned the rest of it by mowing lawns. How much of his savings did he earn by mowing lawns?
Practice 6.4 – Real–World Problems: Percent
Solve. Show your work.
1) Ellen had 25 hair clips. 7 of them were blue and the rest were purple.
a) What percent of the hair clips were blue?
b) What percent of the hair clips were purple?
2) Gabriel had $60. He spent $36 on a pair of shoes and the rest on a shirt.
a) What percent of the money did he spend on the pair of shoes?
b) What percent of the money did he sped on the shirt?
3) Ms. Pierce bought a camera that cost $450. In addition, she had to pay 4% sales tax. How much did Ms. Pierce pay for the camera?
4) Mr. Osmond bought a computer that cost $2,500. How much did he pay for the computer if the sales tax rate was 7%?
5) There were 320 girls and 180 boys at a playground. What percent of children were girls?
6) Sally spent $36 and had $12 left. What percent of her money did she spend?
7) A salesperson receives a 5% commission on the sale of each car. If the commission on a car is $490, what is the price of the car?