Jean surveyed 25% of all the eighth graders and 75% of all the seventh graders at her school. Keisha surveyed 50% of all the eighth graders and 50% of all the seventh graders at the same school. ●Jean surveyed a total of 152 students. ●Keisha surveyed a total of 144 students. What is the number of eighth graders at Jean and Keisha’s school? A) 110 B) 128 C) 160 D) 186