Which of the following values of R gives the greatest value for the expression R/(R-2)?	Choices.
A) 5.5 B) 4.5 C) 3.5 D) 2.5 E) 1.5
5.5/(5.5 - 2) = 11/7 (~1.57)   4.5/(4.5 - 2) = 9/5 (1.8)   3.5/(3.5 - 2) = 7/3 (~2.33)   2.5/(2.5-2)= 
<gadget id="calculator">2.5/(2.5-2)</gadget>
<output>5</output>
5   1.5/(1.5 - 2)= -3   Thus, the answer is 2.5.
<result>D</result>
Which of the following values of R gives the greatest value for the expression R/(R-2)?