Lizzy: There are 500 students in a local high school. 40 percent are juniors. 70 percent of juniors are involved in sports. How many juniors are involved in sports?.
Me: Hmmm, let me think. I think this is the detailed solution:
Juniors:500(.40) = 200. Juniors in sports:200(.70) = 140 students. Final answer: 140.