Gallons per hour 7. 100 - 50 3 9 12 15 18 21 24 Hours The flow of water, in gallons per hour, through a garden house on a hot summer day is given by the graph shown above. Of the following, which best approximates the total number of gallons of water that passed through the garden hose that day? (B) 800 (C) 1,200 (D) 2,400 (A) 400

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Could you please explain to me how to do number 7? This is a question from my test prep study guide. Thank you.
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The flow of water, in gallons per hour, through a garden house on a hot summer day is given by the graph
shown above. Of the following, which best approximates the total number of gallons of water that passed
through the garden hose that day?
(C) 1,200
(D) 2,400
(А) 400
(B) 800
Transcribed Image Text:7. 100 50 6 9 12 15 18 21 Hours The flow of water, in gallons per hour, through a garden house on a hot summer day is given by the graph shown above. Of the following, which best approximates the total number of gallons of water that passed through the garden hose that day? (C) 1,200 (D) 2,400 (А) 400 (B) 800
Expert Solution
Step 1

The area under the curve represents the total water flow in 24 hours.

Since the equation of the curve is not known still you can approximate the total water flow in 24 hours by counting the number of squares and finding their total area.

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