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28 April, 12:06

The table shows the cost of a ski rental package for a given number of people. Find the rate of change (slope).

People/Cost ($)

4 / 160

5 / 200

6 / 240

7 / 280

How do i correctly answer this question

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Answers (1)
  1. 28 April, 12:21
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    Slope = (y2 - y1) / (x2 - x1)

    (4,160) ... x1 = 4 and y1 = 160

    (5,200) ... x2 = 5 and y2 = 200

    now we sub

    slope = (200 - 160) / (5 - 4) = 40/1 = 40 ... so ur slope is 40
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