Karen has 560 friends and family on social media of the friends, 50% are from high school, and 30% are from her after school job. The rest are family members
How many family members does Karen know on social media?

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.

so, converting firstly the mixed fractions to improper fractions and then "adding".