SAT MATH VIDEOS
(Part - 15)

Problem 1 :

|n - 2| < 5

How many integers n satisfy the inequality above?

A) Six

B) Seven

C) Eight

D) Nine

Solution :

Problem 2 :

The road above shows Alicia's speed during a road trip. She stopped at a rest stop during her trip to take a nap. Based on the graph, Alicia stopped for her nap after how many hours of driving?

A) 1

B) 2

C) 3

D) 4

Solution :

Problem 3 :

In the figure above, DE is parallel to AB. If AD = 6, DC = 3 and AB = 18, what is the length of DE?

A) 3

B) 6

C) 9

D) 12

Solution :

Problem 4 :

A school district wants to make at least 600 but no more than 700 computers available to students. To meet this goal, the superintendent puts aside a budget to install 8 new computers every month. If there is a total of 200 computers available at the schools in the districts currently, which of the following inequalities gives the possible number of months t for which the school district can contribute to add new computers? Assume t is an integer.

A) 50 ≤ t ≤ 62

B) 50 ≤ t ≤ 63

C) 75 ≤ t ≤ 87

D) 75 ≤ t ≤ 88

Solution :

Problem 5 :

The net effective charge between two particles as a proportion of total charge is represented by E in the formula above, where P is the magnitude of the positive charge and N is the magnitude of the negative charge. Which of the following expresses N in terms of P and E?