At Ashland Middle School, 70% of sixth graders wore athletic shoes to school on the first day of school. The number of sixth graders wearing athletic shoes that day was 35. Shade the grid to show the percent of sixth graders who wore athletic shoes.

In the first triangle 80+20+p=180 (since sum of all angles of a triangle is 180)so p= 80also in second triangle 55+45+q=180 (since sum of all angles of a triangle is 180)so q=80so we can conclude that p=80 degrees q=80 degrees so p=q=80 degreeshence option b is correct