Lesson 1: Analyze Percents of Numbers — Practice Questions

1. 1. What does 65% represent as a fraction?

   • A. $\frac{65}{1000}$
   • B. $\frac{100}{65}$
   • C. $\frac{65}{100}$
   • D. $\frac{6.5}{10}$

2. 2. In a survey of 300 students, 80% said they enjoy reading. How many students enjoy reading? ___

3. 3. A phone's battery is at 60% charge. What is this amount as a simplified fraction?

   • A. $\frac{6}{10}$
   • B. $\frac{60}{100}$
   • C. $\frac{3}{5}$
   • D. $\frac{1}{6}$

4. 4. A company's stock value increased to 250% of its original price. Express 250% as a decimal number. ___

5. 5. At West High, $\frac{150}{200}$ of students buy lunch. At East High, $\frac{280}{400}$ buy lunch. Which school has a greater percentage of students buying lunch?

   • A. West High
   • B. East High
   • C. Both are equal
   • D. Cannot be determined

6. 6. Which proportion correctly translates the statement: "25 is 80% of what number?" Let 'n' represent the unknown number.

   • A. $\frac{n}{25} = \frac{80}{100}$
   • B. $\frac{25}{80} = \frac{n}{100}$
   • C. $\frac{80}{25} = \frac{n}{100}$
   • D. $\frac{25}{n} = \frac{80}{100}$

7. 7. Which proportion correctly translates the statement: "90 is 150% of what number?" Let 'n' represent the unknown number.

   • A. $\frac{90}{n} = \frac{150}{100}$
   • B. $\frac{n}{90} = \frac{150}{100}$
   • C. $\frac{90}{150} = \frac{n}{100}$
   • D. $\frac{150}{90} = \frac{n}{100}$

8. 8. Which proportion correctly translates the statement: 'What number is 35% of 250?'

   • A. $\frac{n}{250} = \frac{35}{100}$
   • B. $\frac{250}{n} = \frac{35}{100}$
   • C. $\frac{n}{35} = \frac{250}{100}$
   • D. $\frac{35}{n} = \frac{250}{100}$

9. 9. Which proportion correctly translates the statement: 'What number is 75% of 920?'

   • A. $\frac{n}{920} = \frac{75}{100}$
   • B. $\frac{920}{n} = \frac{75}{100}$
   • C. $\frac{n}{75} = \frac{920}{100}$
   • D. $\frac{75}{n} = \frac{920}{100}$

10. 10. Which proportion correctly translates the statement: "45 is 30% of what number?" Let 'n' represent the unknown number.

    • A. $\frac{45}{n} = \frac{30}{100}$
    • B. $\frac{n}{45} = \frac{30}{100}$
    • C. $\frac{45}{30} = \frac{n}{100}$
    • D. $\frac{30}{45} = \frac{n}{100}$