On a quiz there are four-mulptiple choice questions worth 3 points each and two true/false questions worth 1 point

This is so hard and it’s for a test

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

What’s the answer ? use the picture to see the problem