# Unit 7 Review

## Quiz by Agneris

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14 questions
• Q1
Which situation can be represented by the equation 120 = 20n
Marta has \$120. She spent \$20 on a dress. How much money does Marta have left?
Paul had 120 marbles. He bought 20 more marbles. How many marbles does Paul have now?
Sallie earned \$120 on Monday. She earns a different amount each day. How much money will Sallie earn after 20 days?
There are 120 students in the 6th grade at a middle school. Each class has 20 students. How many 6th grade classes are there?
30s
• Q2
Which inequality represents the phrase "12 is greater than a number plus 5?"
12 < n + 5
5 < n + 12
5 > n + 12
12 > n + 5
30s
• Q3
Which equation can be represented by the equation x + 10 = 68?
The average height of an adult is 10 inches. This is 68 inches less than the average sixth grader. What is the average height of a sixth grader?
The average height of an adult is 68 inches. This is 10 inches more than the average sixth grader. What is the average height of a sixth grader?
The average height of an adult is 68 inches. This is 10 inches less than the average sixth grader. What is the average height of a sixth grader?
The average height of an adult is 10 inches. This is 68 inches more than the average sixth grader. What is the average height of a sixth grader?
30s
• Q4
Jack has 35 pages to read by the end of the day. he has read 15 pages so far. Which equation represents the number of pages Jack still has to read?
35 = p - 15
35 = p + 15
15p = 35
p - 35 = 15
30s
• Q5
Allen has \$10 to spend. He bought a sandwich for \$3.50 and a drink for \$2.50. Which inequality represents the amount Allen has left to spend?
3.50 + 2.50 + m >= 10
3.50 + 2.50 + m <= 10
m <= 10 - 3.50 + 2.50
m <= 10(3.50 + 2.50)
30s
• Q6
Which inequality represents the statement, "4 more than a number is at least17?"
n + 4 <= 17
n - 4 >=17
n - 4 <= 17
n + 4 >=17
30s
• Q7
Determine if the value makes the equation true: -12 + x = -15; x = -3
False
True
30s
• Q8
Determine if the value makes the equation true: -24 > -15x; x = -3
True
False
30s
• Q9
Mr. Warren has 22 quarters in his truck. This is less than four times the number of quarters Mrs. Warren has in her van. The inequality shown below expresses the relationship between the numbers of quarters they have. 4n > 22. Which of the following could be the number of quarters Mrs. Warren has in her van?
5
6
4
5.5
30s
• Q10
Justin needed to cook 125 hot dogs for the tailgate party. His grill ran out of gas after cooking only 38 hot dogs. Just uses the equation below to determine how many hot dogs he still needs to cook. 125 = 38 + h. Which value represent the number of hot dogs Justin still needs to cook?
113
63
87
97
30s
• Q11
For which equations is y = 7 a solution?
7y = 1
y + 7 = 0
y - 26 = -19
y/2 = 14
30s
• Q12
Which is an equation?
45/x
20x = 200
17 + x
90 - x
30s
• Q13
What is a solution to the equation 6t = 114?
t = 108
t = 120
t = 684
t = 19
30s
• Q14
What is the solution to the inequality -6x < -18?
x <= 3
x > 3
x >= 3
x < 3
30s

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