GMAT Problem Solving (PS) | Re: Abdul, Barb, and Carlos all live on the same straight road, on which t

Abdul, Barb, and Carlos all live on the same straight road, on which their school is also located. The school is halfway between Abdul’s house and Barb’s house. Barb’s house is halfway between the school and Carlos’s house. If the school is 4 miles from Carlos’s house, how many miles is Abdul’s house from Carlos’s house?
A.\(1{}^1/_3\)
B.2
C.4
D.6
E.8