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SAT Practice Test 7, Section 2: Questions 6 - 10

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This is for SAT in Jan 2016 or before.



6. Correct answer: (C)

A table showing the test scores for 16 students
Sam’s score of 95 is added to the group

To find:
The median score for the test

Topic(s): Statistics

The median of the 16 students is the average of the 6th and 7th student, which is 90.

After adding Sam’s score, the median would be the 9th student, which is 85 (remember to add Sam to the number of students with score of 95)

Answer: (C) 85

7. Correct answer: (D)

Total capacity of 16 containers of one size is x gallons
Total capacity of 8 containers of another size is also x gallons
x > 0

To find:
The capacity of the larger container in terms of x

Let a be the size of the 1st container
Let b be the size of the 2nd container

12a = x
8b = x

The second container is bigger. Rewrite b in terms of x

Answer: (D)

8. Correct answer: (D)

Rectangle ABCD lies in the xy-coordinate plane so that its sides are not parallel to the axes

To find:
The product of the slopes of all 4 sides of rectangle ABCD

Topic(s): Coordinate geometry

The product of the slopes of perpendicular lines = -1.

From the sketch above,

Answer: (D) 1

9. Correct answer: 2/3, 0,666 0,667

An hour-long television program included 20 minutes of commercials

To find:
The fraction of the hour-long program that was not commercials

Not commercial is 60 minutes – 20 minutes = 40 minutes Fraction of not commercials =

Answer: 2/3, 0,666 0,667

10. Correct answer: 10/3, 3.33

The product of 0.3 and a number is equal to 1

To find:
The number Solution:
Let x be the number

Answer: 10/3, 3.33



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