Question

Point B is between point A and C. If AB = 20 and
AC = 28, what is BC?

Answer 1

24?

Explanation:

Answer 2

BC = 7

Explanation:

since B is a point between A and C so AB + BC = AC

putting the values in above equation

AB + BC = AC

20 + BC = 28

BC = 28 - 21

BC = 7