(a) Tony moved to a new house and wants to install a pool and landscape the yard. He will hire a company to manage the landscaping. Tony is considering hiring Company A or Company B.
​Company A’s and Company B’s landscaping costs are shown in the tables below.

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The following question has three parts. First, answer Part A. Second, answer Part B. Then, answer Part C.
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​Compare the landscaping costs between Company A and Company B. Let c represent landscaping cost, in dollars, and s the yard size, in square feet.
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Part A
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Write an equation to model what it would cost if Company A was hired. Enter the correct equation in the box.

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Part B
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Write an equation to model what it would cost if Company B was hired. Enter the correct equation in the box.

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​Part C
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​Which company would cost Tony the least amount to landscape 2,500 square feet? Explain your answer. Enter the correct answer and explanation in the box.​