Among andy, kevin, and matthew, one of them is a teacher. the other two are a doctor and a police officer. matthew is older than the police officer. andy and the doctor are not the same age. the doctor is younger than kevin. who is the teacher?

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27