GAUSS7 2016 Problem 10

Past Contests GAUSS7 GAUSS (GR. 7) - 2016
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1

Points P,Q and R are on a number line. Q is halfway between P and R. If P is at -6 and Q is at -1, then R is at

Answer Choices
A. 4
B. -11
C. 3
D. -7
E. 5