The student body at a High School was surveyed about sports participation. The table below shows the data by grade level.

Answer:9%Step-by-step explanation:There are 612 students at all and 55 of them are in the 9th grade and don't play a sport. Therefore,612 students - 100%,55 students - x%.Mathematically, you can write a proportion:[tex]\dfrac{612}{55}=\dfrac{100}{x},\\ \\x=\dfrac{55\cdot 100}{612}=\dfrac{5500}{612}\approx 9\%.[/tex]