Select the addition problem shown by the number line. (1 point) Responses 26+26+26=6626+26+26=66 2 6 + 2 6 + 2 6 = 6 6 16+36+56=9616+36+56=96 1 6 + 3 6 + 5 6 = 9 6 16+16+16=3616+16+16=36 1 6 + 1 6 + 1 6 = 3 6 16+26+26=56