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50 is exactly halfway between 40 and 60.
wandile mhlengi ∙
50
40
60
65
(30+60)/2 = 45
59.5
60(40+80)/2 = 60
70-10=60. 60/2=30. 10+30 or 70-30=40. Answer 40
The number halfway between 18 and 60 is (18 + 60)/2 = 39.
It is: 70
It is: 45
75
It is: (63+57)/2 = 60