[問題]天山06-16

[mark-alan]

If J, S, V are points on the number line, what is the distance of S and V
(1) The distance between J and S is 20
(2) The distance between J and V is 25

我寫C 答案E...

[Jung]

it does not mention whether S and V is on the same side or not.
So "S" could be on the left side and "v" on the opposite
Or "S" "V" both on the same side.

E is correct

[汪汪北鼻]

V---J----S
25 20 V-s= 45

J---S----V
20 5 v-s= 5