Respuesta :
Because Star 1 is 63 light years from Star 2 and Star 2 is 75 light years from Star 3 we can form a simple equation to get our answer.
75 + 63 = 138
Therefore your answer would be...
D. Star 1 is 138 light years away from Star 3.
75 + 63 = 138
Therefore your answer would be...
D. Star 1 is 138 light years away from Star 3.