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The graph below shows the amount of water used at a campground based on the number of people staying at the campground.What is the average amount of water used per person?A. 10 gallonsB. 12.5 gallonsC. 20 gallonsD. 22.5 gallons

The graph below shows the amount of water used at a campground based on the number-example-1
User Glenda
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1 Answer

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The average amount of water used per person can be determined by finding the slope of the line. The formula for determining slope is expressed as

Slope = (y2 - y1)/(x2 - x1)

The amount of water usage are the values of y and the number of people are the values of x. From the graph,

when x1 = 0, y1 = 0

when x2 = 8, y2 = 100

Slope = (100 - 0)/(8 - 0) = 100/8

slope = 12.5

Thus, the average amount of water used per person is 12.5 gallons

User Josan
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