In a village of 3500 people, 12% are left handed, and 15% of the left hand are blonde hair. how many people in the village are blonde and left-handed?

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.