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Mathematics, 10.12.2020 23:00 gobbler80

Question 4 (1 point) (03.01 MC)
Jeff has two sticker-printing machines. Each machine can print 42 stickers per minute. On day 1, only the first machine was used, and it printed 89 stickers. On the following day, the first machine printed for x minutes and the second machine printed for y minutes. Which expression shows the total number of stickers printed by both machines during these two days? (1 point)

a
131x + 42y

b
42 + 89x + y

c
89 + 42x + 42y

d
89x + 84y

Question 5 (1 point)
(03.02 MC)

Meg conducted a survey of four school cafeterias to find the number of students who like sandwiches for lunch. The results of her survey are recorded in the table below:

School Cafeteria Survey
School Total Number of Students
in the Cafeteria Number of Students
Who Like Sandwiches
A 38 12
B 48 9
C 26 10
D 24 8

Which school has the greatest percentage of students who like sandwiches for lunch? (1 point)

a
School A

b
School B

c
School C

d
School D

Question 6 (1 point)
(03.02 MC)
The number of pages that Zak, Karen, Malia, and Ali can read in a day is shown below:

Zak read 15% of his 56-page book.
Karen read 12% of her 64-page book.
Malia read 14% of her 68-page book.
Ali read 10% of her 72-page book.

Who can read the greatest number of pages in a day? (1 point)

a
Zak

b
Karen

c
Malia

d
Ali

Question 7 (1 point)
(03.02 MC)
The table shows the battery life of four different mobile phones:

Mobile Phone Battery Life
Phone Battery Life (hours)
A 20
B 25
C 10
D 18
If 8.45% of the battery life of each mobile phone is used in a day by a typical user, for which mobile phone is 2.1 hours of battery life used in a day? (1 point)

a
Phone A

b
Phone B

c
Phone C

d
Phone D

Question 8 (1 point)
(03.04 MC)

What is the first step needed to solve 4 over 7 multiplied by x minus 5 equals negative 13 ? (1 point)

a
Subtract 13 from both sides

b
Divide both sides by 7

c
Add 5 to both sides

d
Multiply both sides by 4

Question 9 (1 point)
(03.04 MC)
Michelle bought 76 pounds of cocoa powder for her bakery. Every day she used the same amount of cocoa powder to make bakery items. After 10 days, Michelle was left with 20.2 pounds of cocoa powder. On average, how many pounds of cocoa powder did Michelle use each day? (1 point)

a
5.58 pounds

b
7.45 pounds

c
9.62 pounds

d
12.6 pounds

Question 10 (1 point)
(03.04 MC)
The sum of three consecutive numbers is 72. What is the largest of these numbers? (1 point)

a
23

b
25

c
26

d
28

Question 11 (1 point)
(03.05 MC)
Jacob wants to use an elevator to carry identical packages having the same weight. Each package weighs 3 pounds and Jacob weighs 99 pounds. If the elevator can carry a maximum of 300 pounds at a time, which inequality shows the maximum number of packages, n, that Jacob can carry with himself in the elevator if he is the only passenger? (1 point)

a
n ≤ 67

b
n ≥ 67

c
n ≤ 198

d
n ≥ 198

Question 12 (1 point)
(03.05 MC)
Ruth wants to buy a skateboard for $56. She has $90 in her account. She spent $11.65 to buy stationary. She also wants to buy some comic books for $3.72 each. What is the maximum number of comic books, n, that Ruth can buy so that she has enough money left to buy the skateboard? (1 point)

a
n ≥ 6

b
n ≤ 6

c
n ≤ 16

d
n ≥ 16

Question 13 (1 point)
(03.05 HC)
In a song competition, a participant has to score a total of at least 20 points in the first four rounds combined to move on to the fifth and final round. Curtis scored 2 points in the first round. He then went on to score additional points in the second, third, and fourth rounds. In each of those rounds, his score was identical. Which inequality best shows the number of points, p, that Curtis scored in each of the second, third, and fourth rounds if he earned a place in the finals? (1 point)

a
2 + 3p ≤ 20

b
2p + 3 ≥ 20

c
2 + 3p ≥ 20

d
2p + 3 ≤ 20

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Answers: 1

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Question 4 (1 point) (03.01 MC)
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