ANSWER: 115 115 is 5 less than 120 and 5 more than 110. 115 is an equal distance from both 110 and 120. So, 115 is halfway between 110 and 120.
ANSWER: 250 250 is 50 less than 300 and 50 more than 200. 250 is an equal distance from both 200 and 300. So, 250 is halfway between 200 and 300.