Distributive property to express 28 + 42

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Ihonestly have no clue if it's each or none.