Percents Review

Convert: % , Decimal, Fraction

100

 Write this percent as a fraction: 72%

72/100; 18/25

200

Write this percent as a fraction: 2.4%

2.4/100

300

Write this percent as a decimal: 88.2%

0.882

400

Write this decimal as a percent: 0.56

56%

500

Write this fraction as a decimal AND a percent: 3/20

0.15 and 15%

Find part or total

100

What is 30% of 10? 

3

200

What is 40% of 70? 

28

300

20% of a number is 8. What is the number? 

40

400

40% of a number is 20. What is the number?

50

500

75% of a number is 54. What is the number? 

72

Equivalent Ratios

100

2/50 = X/100

X = 4

200

9/15 = X/60

X = 36

300

10/100 = X/80

8

400

25/100 = 4/X

X=16

500

65/100 = X/60

X = 39

Word Problems

100

A candy store sells 20 varieties of candy. Out of these 20 varieties, 12 varieties contain chocolate. What percent of the total number of varieties contain chocolate?

60%

200

Samara ran for class president. She received 90 votes in the election. These votes represent 60% of the total number of students in her class. How many students are in her class?

150 students

300

There are 40 questions on the Algebra test. Tim got 90% correct. If all the questions are worth the same number of points, how many questions did Byron get wrong?  

4 questions wrong

400

In the 6th grade, 70% of the students are 11 and 30% of the students are 12. If there are 90 students in the 6th grade, how many students are 12?

27

500

NIKE WAS HAVING SALE: 20% OFF EVERYTHING IN THE STORE. I BOUGHT A PAIR OF SHOES FOR $12 LESS THAN THE ORIGINAL PRICE. WHAT WAS THE ORIGINAL PRICE OF THE SHOES?  

$60