The granola summer buys used to cost $6.00 per pound, but it has been marked up %15.=> 6 dollar per pound is the price of the granola summer.=> now the current price has been marked up to 15%.Let's solve for the price.=> 15% = 15% / 100% = .15=> 6 dollars * .15 = 0.9Now, let's add=> 6 + 0.9 = 6.9 is now the price of the granola summer.