Ichiro plans to spend no more than a total of $60 for both lunch and dinner each day
during his vacation.
Complete the following in the Answer Book:
Write an inequality that models this relationship. Let x represent the amount, in dollars, that Ichiro spends on lunch. Let y represent the amount, in dollars, that Ichiro spends on dinner.
Graph the inequality on the grid provided in the Answer Book.
On Thursday, Ichiro spent exactly $60 on lunch and dinner. He spent three times as much on dinner as he spent on lunch. How much did Ichiro spend on lunch? How much did Ichiro spend on dinner? Use mathematics to explain how you determined your answers. Use words, symbols, or both in your explanations.