Solution:
Let us denote by x the cost per pound. According to the problem, the inequality that describes the situation is:
[tex]17x\leq50[/tex]then solving for x, we get:
[tex]x\leq\frac{50}{17}\text{ = 2.94}[/tex]so that, we can conclude that the maximum cost per pound that he can afford is 2.94.