Simplify the Following Expression $- \frac { 2 } { 8 } - \left( - \frac { 2 } { 9 } \right) + \frac { 2 } { 10 }$

question 62

Multiple Choice

Simplify the following expression. $- \frac { 2 } { 8 } - \left( - \frac { 2 } { 9 } \right) + \frac { 2 } { 10 }$

• A) \(- \frac { 1 } { 180 }\)
• B) \(\frac { 1 } { 180 }\)
• C) \(- \frac { 31 } { 180 }\)
• D) \(- 1\)
• E) \(\frac { 31 } { 180 }\)

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Definitions:

Residual Barium

Barium remaining in the intestinal tract following evacuation at the completion of X-ray studies.

Intestinal Tract

A major part of the digestive system, consisting of a series of hollow organs joined in a long, twisting tube from the stomach to the anus.

X-Ray Studies

Medical imaging tests that use X-rays to view the internal structures of the body, helping in diagnosis and treatment planning.

Radiopaque

Impenetrable to the X-ray or other forms of radiation.