Susan bought two pairs of earrings for $3.00 each. By purchasing 2 pairs, she received one pair free. What was the average price for each pair of earrings?

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

Solve the system of equations y= 3/2 - 1, -x+ y =-3

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?