Proportions
Percent of a Number
What is the Percent?
What is the Part?
Mixed Review
100
For every dozen pens made at the factory, one is defective and must be thrown out. How many defective pens will there be in the 6000 pens made every hour?
500 pens
100
Mr. Davis spends 76% of his $2600 check. How much does Mr. Davis spend?
$1976
100
Mary got 18 out of 25 on her test. What was her percentage?
72%
100
A woman put $580 into a savings account for one year. The rate of interest on the account was 6½%. How much was the interest for the year in dollars and cents?
$37.70
100
Dan
200
Point P
200
65% of students do not study prior to tests. If there are a total of 700 students, how many do not study for tests?
455 students do not study for their tests
200
If there are 20 girls in a class of 30 students, find out the percentage of boys in the class?
33 1/3%
200
A student earned a grade of 80% on a math test that had 20 problems. How many problems on this test did the student answer correctly?
16 problems
200
Joanne paid $28,000 for her new car. In addition, she paid $1,400 in taxes. What was her tax rate?
5%
300
The first three days as a salesperson, Wilma drove a total of 120 miles. At this rate, how far will she drive in 15 days?
600 miles
300
Marie was playing a dart game and she attempted 50 times and was able to hit 40% of the attempts. How many times did she hit?
20 hits
300
If 120 children out of 150 are going to a fair organized by a school, then find the percentage of children visiting the fair?
80
300
Manuel found a wrecked Trans-Am that he could fix. He bought the car for 65% of the original price of $7200. What did he pay for the car?
$4680
300
Two students are working on the same homework assignment. Antonia has completed 18 out of 45 questions. Oliver has completed 20% of the questions.
Which student has completed the most questions? Explain.
Antonia has completed the most questions because 18 out of 45 is equal to 40%, which is greater than 20%
400
A car wash can wash 33 cars in 3 hours. At this rate, how many cars will the car wash be able to wash in a 7-hour period?
77 cars
400
In a class of 40 students, only 20% of the students are participating in an art competition. How many students are not taking part in the competition?
32 students
400
A basket contains 40 mangoes out of which 8 are rotten. Find the percentage of the mangoes that are in good condition?
80%
400
Ben earns $12,800 a year. 15% is taken out for taxes. How much is taken out for taxes?
$1920
400
At Hibbits, shirts were sold for $18.75 each. They were on sale for 80% off of their original price. What was the discount? (find the sale price for an additional 200 points)
$15 Discount
$3.75 Sale Price
500
Which ratios are proportional to 5/6?
6/7 , 100/120, 18/15, 6/5, 25/30
100/120 & 25/30
500
What is 7% of 135?
9.45
500
If a baseball team has lost 30 matches out of the 120 matches played in total, find out their losing percentage?
25%
500
A baseball pitcher won 80% of the games he pitched. If he pitched 35 ballgames, how many games did he win?
28 games
500
At a restaurant, Mr. Jones orders food that costs $26. The sales tax on the bill is 9%. After taxes, he gives the waiter an additional 15% tip. What is the total amount Mr. Jones spends on dinner?
$32.59
(700 points, not 500!!!!)