Solve Using Cramer's Rule

question 115

Multiple Choice

Solve using Cramer's Rule.
-The sum of a student's three scores is 230. If the first is 22 points more than the second, and the sum of the first two is 14 more than twice the third, what was the first score?

• A) 72
• B) 68
• C) 50
• D) 90

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Definitions:

Pore Spaces

The voids or gaps between soil or rock particles, which can contain water or air.

Water Pressure

The force exerted by water on any surface it is in contact with, significant in various geological and biological processes.

Dewatered Area

describes a region from which water has been removed, typically for construction or drainage purposes.

Upper Level

Refers to the higher layers of the atmosphere or any system, often used in meteorology or geosciences to describe phenomena occurring at altitude.