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Write an equation in slope-intercept form that represents the situation:

Bill started with 15 pairs of shoes. On average, Bill buys 7 new pairs of shoes every 2 months.

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unicorn3125

Answer:

         y = 3.5x + 15

Step-by-step explanation:

Number of months is x, and number of pairs of shoes after each month is y.

7 new pairs of shoes every 2 months means that after each month:

y = 7/2 x

We need to add the 15 pairs from start.

y = 3.5x + 15

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