Lesson 48: Percent of a Whole — Practice Questions

1. 1. A percent is a special type of ratio. What does a percent always compare?

   • A. A part to another part
   • B. A whole to a part
   • C. A part to a whole
   • D. Two different wholes

2. 2. In the concept of percents, the 'whole' or total amount is always considered to be ___%.

3. 3. A full jug of water is considered the 'whole.' If the jug is completely full, what percentage represents the amount of water in it?

   • A. 1%
   • B. 50%
   • C. 100%
   • D. It depends on the size of the jug

4. 4. The word 'percent' means 'per hundred.' This is because a percent is a ratio that compares a quantity to a standard whole of ___.

5. 5. If a class has 25 students, and we consider all 25 students to be the 'whole,' what percentage does this whole group represent?

   • A. 1%
   • B. 25%
   • C. 50%
   • D. 100%

6. 6. A bakery made 20 loaves of bread in the morning. By noon, 18 loaves were sold. What percent of the bread was sold? The answer is ___%.

7. 7. In a survey of 35 students, 21 said their favorite subject was math. What percent of the students chose math?

   • A. 40%
   • B. 55%
   • C. 60%
   • D. 75%

8. 8. A library has 80 copies of a popular book. If 48 of the copies are currently checked out, what percent of the copies are checked out? ___%

9. 9. A basketball team won 18 of its 25 games this season. What percent of their games did the team win?

   • A. 18%
   • B. 45%
   • C. 72%
   • D. 75%

10. 10. To find what percent 9 is of 12 using the proportion method, which of the following setups is correct?

    • A. $\frac{p}{100} = \frac{12}{9}$
    • B. $\frac{p}{100} = \frac{9}{12}$
    • C. $\frac{p}{12} = \frac{9}{100}$
    • D. $\frac{9}{p} = \frac{12}{100}$