Vicki Very Closely Examines Her New Ruby Ring with the Jeweler's

Multiple Choice

Vicki very closely examines her new ruby ring with the jeweler's "loop." The ruby appears 7.0 times larger through this lens than when she views it close-up without the "loop." If her near point
Is 35 cm, what is the focal length of the lens of the "loop"?

A) 6.7 cm
B) 7.0 cm
C) 3.6 cm
D) 5.8 cm
E) 4.2 cm