The red dot is about half way between 12 and 13

It is given that red dot is about halfway between 12 and 13.

Draw a number line.Mark points on it on  as 1,2,3,.....12,13,...20.

Label 12 as point M and label 13 as N.

Mid point of MN=

                         =25/2

                        =12.5

Mark 12.5 as T.

MT =NT

The Red dot is at point N at a distance of 12.5 units from the origin.

hi,

i'm 75% sure the answer is 1,1 to both lines.

have a great day

1. 22

2. 1

3. 7

4. 18

step-by-step explanation

e2020 got it right