Help me with my extra questions please! Ill mark you brainless (and there should be a lot of points on this one)

first sc is the image, the second one are the questions

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