To know which equation has a value less than 2175, let us simplify each option:
A) 1 * 2175 = 2175
B) 2 * 2175 = 4350
C) 2/2 * 2175 = 1 * 2175 = 2175
D) 1/2 * 2175 = 1087.5
From the simplified forms, we see that the equation that has a vlaue less than 2175 is:
Option D