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[-/5 Points] DETAILS MY NOTES AUFQR2 3.4.040. Lake Powell is a water storage facility on the Colorado River in Utah and Arizona. In one year, the elevation of the water in the lake decreased from 3,593 feet to 3,544 feet. Find the percent decrease in the water elevation level. Round to the nearest tenth of a percent. ARK YOUR TEACHER Need Help? Readit

Ask by Vaughan Schwartz. in the United States
Feb 25,2025

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Answer

The water elevation level decreased by approximately 1.4%.

Solution

Step 1: Find the change in elevation.   Change = 3593 feet – 3544 feet = 49 feet Step 2: Calculate the percent decrease.   Percent decrease = (Change / Original elevation) × 100   = (49 / 3593) × 100 ≈ 1.363% Step 3: Round to the nearest tenth.   ≈ 1.4% Answer: The water elevation level decreased by approximately 1.4%.

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To find the percent decrease in the water elevation level, you'll want to subtract the final elevation from the initial elevation, then divide by the initial elevation and multiply by 100. So it would be (3,593 - 3,544) / 3,593 × 100, which equals approximately a 1.4% decrease when rounded to the nearest tenth of a percent. This shows how even minor fluctuations in water levels can have significant implications for water storage and resource management. Lake Powell is not just a pretty sight; it plays a vital role in providing water for millions and generating hydropower. It's like a giant water reservoir! Understanding these statistics helps us appreciate the delicate balance of water resources, especially in areas dependent on this critical supply. So next time you hear about water levels, remember it’s not just numbers—it's about sustaining life and energy for countless people!

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