7th Grade Math

Test PracticeT

324 Percent

C 47. CHALLENGE Write the ratio of shaded squares to the total number of

squares as a percent. Round to the nearest tenth if necessary.

a. b. c. d.

48. CHALLENGE Suppose you add 10% of a number to the number, and then
    you subtract 10% of the total. Is the result greater than, less than, or equal to
    the original number? Explain your reasoning.


49. REASONING When is it easiest to find the percent of a number using a
    fraction? using a decimal?


50. E WRITE MATH Give two examples of real-world situations in which
    you would find the percent of a number.


51. Marcos earned $300 mowing lawns this
    month. Of his earnings, he plans to
    spend 18% repairing lawn equipment,
    put 20% in his savings, and use 35% for
    camp fees. He will spend the rest. How
    much will Marcos have left to spend?
    A. $27.00 C. $81.00
    B. $55.00 D. $100.00


52. GRIDDED RESPONSE Tanner has
    200 baseball cards. Of those, 42% are
    in mint condition. How many of the
    cards are in mint condition?


53. The table shows the results of a survey
    of 200 movie rental customers.

Favorite Type of Movie Percent of Customers

Comedy 15

Mystery 10

Horror 46

Science Fiction 29

How many customers prefer horror

movies?

F. 20 H. 46

G. 30 I. 92

54. The graph shows the Ramirez family
    budget. Their budget is based on a
    monthly income of $3,000.

Expense CategoryOther

Utilities

Food

Rent

Percent

0506010 20 30 40

Ramirez Family Budget

Which of the following statements

is true?

A. The family budgeted $1,000 for rent.

B. The family budgeted $600 for food.

C. The family budgeted $100 less for

utilities than for other expenses.

D. The family budgeted $900 more for

food than for rent.

55. GRIDDED RESPONSE Jin Li has
    310 cards in his card collection. Of
    his cards, 40% are football cards.
    How many football cards does
    Jin Li have?

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