7th Grade Math

Test PracticeT

336 Percent

C 25. REASONING Seventy percent of the 100 students in a middle school

cafeteria bought their lunch. Some of these students leave the cafeteria

to attend an assembly. Now only 60% of the remaining students bought

their lunch. How many students are remaining in the cafeteria? Explain.

26. CHALLENGE Without calculating, arrange the following from greatest to
    least value. Justify your reasoning.
    20% of 100, 20% of 500, 5% of 100


27. E WRITE MATH Create a problem involving a percent that can be
    solved by using the proportion ^3
    b
    = 10015.


28. FOOD Out of 823 students, 47.2% chose pizza as their favorite food. What is
    a reasonable estimate for the number of students who chose pizza as their
    favorite food? Explain. (Lesson 1C)

Find each number. Round to the nearest tenth if necessary. (Lesson 1B)

31. What is 25% of 120? 32. Find 45% of 70.


32. FLOWERS Use the information in the table to write the percent of Flower Arrangement
    Lilies 4
    Roses 15
    Snapdragons 6

each type of flower in the arrangement. (Lesson 1B)

a. lilies

b. snapdragons

c. roses

28. Of the 273 students in a school, 95
    volunteered to work the book sale.
    About what percent of the students
    volunteered?
    A. 35%
    B. 65%
    C. 70%
    D. 75%
    29. One hundred Favorite TV Programs
    Kind Number
    Music 48
    Reality 44
    Comedy 41
    Sports 36
    Drama 23

ninety-two

students were

surveyed about

their favorite

kind of TV

programs. The

results are shown

in the table. Which

kind of program did 25% of the students

report as their favorite?

F. Music H. Comedy

G. Reality I. Sports

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