cbest-california-basic-educational-skills-test-numerical-graphic-relationships-problems-45-to-50

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31. Antonio buys 4 notebooks for $3.50 each at a store.

The next day he returns to the store and exchanges the

notebooks for 3 notebooks that have gone on sale for $1.75

each. Antonio uses the following expression to calculate the

amount of money he should receive back from the exchange.

(4 × $3.50) – (3 × $1.75)

Which of the following expressions could Antonio have

also used?

A. $3.50 – $1.75

B. 3($3.50 – $1.75) + $3.50

32. Rudi needs to calculate 14% of 50. He does so by computing

it in the following way:

50 ×

14

100

Which of the following methods could Rudi also use to

determine correctly the percentage?

A.

14

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33. Use the table below to answer the question that follows.

Quiz Average Test Average Final Exam

83% 79% 88%

The table shows Sabra's grades for a class. For her overall

average, the test average counts twice as much as the quiz

average, and the final exam counts twice as much as the test

average. To find her overall average, Sabra uses the following

expression.

(83 + 79 + 79 + 88 + 88 + 88 + 88) ÷ 7

Which of the following is another way to find her overall

average?

A. 83 + 2(79)

7 + 4(88)

7

B. 83 + 0.2(79) + 0.4(88)

CBEST Practice Test: Mathematics

20

34. Use the chart below to answer the question that follows.

X Y

3.5 10.5

The chart above displays a relationship between values of X

and Y. Given this relationship, what would be the value of Y

that is missing?

A. 5

E. 8

35. A school district is proposing a 5% increase in the number

of days in a school year. Currently there are 180 days in

a school year. How long would a school year be with the

proposed increase?

A. 181 days

CBEST Practice Test: Mathematics

21

36. Which of the following mathematical statements is correct?

37. Use the mathematical statement below to answer the

question that follows.

26

68

Which of the following values when entered in the box will

satisfy the statement above?

A. 14

E. 9

10

CBEST Practice Test: Mathematics

22

38. Which of the following mathematical expressions is equivalent

to bh

2 ?

39. Which of the following numbers is between 2,329,500 and

2,598,100?

A. 2,249,550

B. 2,303,600

40. If the value of x is between 0.0051 and 0.038, which of the

following could be x?

A. 0.0042

B. 0.0261

CBEST Practice Test: Mathematics

23

41. Abby drives 18 miles round trip between home and work each

day. If her daily round trip is rounded to the nearest 5 miles,

which of the following is the best estimate of the total number

of miles driven in 5 days?

A. 75 miles

B. 100 miles

42. Kerri ran the same distance in four different races. Her

times were 18.04 seconds, 21.39 seconds, 12.99 seconds,

and 14.14 seconds. If the individual times are rounded to the

nearest one-tenth of a second, what is the estimate of Kerri's

total time for all four races?

A. 66.6 seconds

B. 66.5 seconds

24

43. Use the information below to answer the question that

follows.

• The grocery store is located three miles away from the

house.

de?

A. The grocery store is no more than three miles away from

the highway.

B. The grocery store is no more than one mile away from

the highway.

25

44. Use the information below to answer the question that

follows.

• If the distance to a destination is greater than 10 miles

from home, then Matt will drive his car.

If Matt rode his bicycle to Zachary's apartment, which of the

following statements could be true?

A. Matt's home is less than 1 mile from Zachary's

apartment.

B. Matt and Zachary live within 2 miles of each other.

greater than 20 miles.

CBEST Practice Test: Mathematics

26

45. Use the statements below to answer the question that

follows.

There will be softball practice every Saturday throughout

the season with the following exceptions:

• If it rains, softball practice will be canceled.

• There is no softball practice on the third Saturday of

the month.

If it is Saturday but there is no softball practice, then it must be

true that:

A. it is raining.

B. it is the third Saturday of the month.

CBEST Practice Test: Mathematics

27

46. Use the table below to answer the question that follows.

Middle School Bell Schedule

Class Period Start Time End Time

Fifth 1:15 P.M.

The partial school schedule above shows the start times and

end times of class periods. Except for lunch, all classes are

the same length. What is the missing start time for fifth

period?

A. 12:15 P.M.

B. 12:19 P.M.

CBEST Practice Test: Mathematics

28

47. Use the chart below to answer the question that follows.

U.S. and World Silver Production in Metric Tons

Year United States World

1930 1578 7736

1965 1238 8007

How many metric tons of silver were produced outside the

United States in 1950?

A. 4976 metric tons

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