Write an equation that shows the cost of a pineapple (p) in terms of bananas (b). Use this equation to find the cost of a pineapple. Write an equation that shows the cost of 4 apples (a) in terms of a pineapple (p). Use this equation to find the cost of 4 apples. Write an equation that shows how much more a bunch of bananas cost compared to 4 apples where x is the unknown value. Then, solve the equation.