7th Grade Math

Test PracticeT

C 30. OPEN ENDED Write a percent problem for which the percent is greater

than 100 and the part is known. Use the percent equation to solve your

problem to find the whole.

31. CHALLENGE If you need to find the percent of a number, explain how
    you can predict whether the part will be less than, greater than, or
    equal to the number.


32. E WRITE MATH Compare the percent equation and the percent
    proportion. Then explain when it might be easier to use the percent
    equation rather than the percent proportion.

Find each number. Round to the nearest hundredth if necessary. (Lesson 2B)

36. What percent of 37. 20.5% of what 38. What number is
    15 is 20? number is 35? 0.5% of 10?


37. SPORTS The graph shows the number of

Number of

Student Athletes

Field

Hockey

SoccerFootball

Volleyball

0

10

20

30

40

50

60

70

Fall Sports

Student Participation in Fall Sports

12

21

62

45

student athletes participating in fall sports.

In which sport do 15% of the student

athletes compete? Justify your answer.

(Lesson 2B)

40. TRAVEL On a 511-mile trip, Mya drove about
    68% on Monday. Determine a reasonable
    estimate for the number of miles she drove on
    Monday. (Lesson 1C)

Lesson 2C Proportions and Equations 341

33. In a survey, Favorite Take-Out Food
    Type of Food Percent
    Pizza 40
    Sandwiches 32
    Chicken 28

100 students

were asked to

choose their

favorite take-out

food. The table

shows the results.

Based on these data, predict how many

out of 1,800 students would choose

sandwiches.

A. 504 C. 680

B. 576 D. 720

34. If 60% of a number is 18, what is 90% of
    the number?
    F. 3 H. 27
    G. 16 I. 30


35. Taryn’s grandmother took her family
    out to dinner. If the dinner was $74 and
    Taryn’s dinner was 20% of the bill, how
    much was Taryn’s dinner?
    A. $6.80 C. $9.50
    B. $7.20 D. $14.80

331_341_C06_L2_895130.indd 341 12/30/09 4:05 PM