Genesis 18:28

28 suppose the 50 righteous lack five. Will you destroy the whole city for lack of five?" He replied, "I will not destroy [it] if I find 45 there."

Genesis 18:28 In-Context

26 The Lord said, "If at Sodom I find 50 righteous people in the city, I will spare the whole place for their sake."
27 Then Abraham answered, "Since I have ventured to speak to the Lord-even though I am dust and ashes-
28 suppose the 50 righteous lack five. Will you destroy the whole city for lack of five?" He replied, "I will not destroy [it] if I find 45 there."
29 Then he spoke to Him again, "Suppose 40 are found there?" He answered, "I will not do [it] on account of 40."
30 Then he said, "Let the Lord not be angry, and I will speak further. Suppose 30 are found there?" He answered, "I will not do [it] if I find 30 there."
Holman Christian Standard Bible ® Copyright © 2003, 2002, 2000, 1999 by Holman Bible Publishers.  Used by permission.  All rights reserved.