Thought i had this right but i guess not. i need this to !

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

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?

What else equals 42 and 30 for multiply