a television have side 6*5.its screen size is 5*4.calculate the percentage of unscreened part t.v. Choose the correct choice
A) 30	B) 25	C) 33.33	D) 44.44	E) 28

Rationale: unscreened part = 30 - 20 = 10 . % unscreened part = 10 / 30 * 100 = 33.33 % answer c
Answer: C