hard · GMAT Quant
A network router regulates signal delay x across three nodes located at -20, 0, and 20. System stability requires that |x + 20| + |x| + |x - 20| ≤ 50.
How many distinct integer values of x satisfy this stability requirement?
- 19
- 20
- 21
- 22
- 25
Sign up free to see the explanation and track your rank →
More GMAT Quant practice
- Including both endpoints, how many distinct integer price points are in this range?
- Which of the following expressions must result in a positive value?
- Which property of arithmetic justifies that first step?
- Which of the following must also be an even integer?
- Which of the following inequalities correctly represents this range?
- Which of the following includes the number 0?
- How many unique meal combinations can a customer create?
- What is the probability that the lightbulb is functional?