Your class isseling boxes of flower seeds as a fundraiser. The total profit p depends on the amount x that your class charges for each box of seeds. The equation p= -0.5x + 36x - 171 models the profit of the fundraiser What's the smallest amount, in dollars, that you can change and make a profit of at least $351?
To make the desired profit, the smallest amount you can charge for each box is $
(Round to the nearest cent as needed)