The depth of a lake in Centerville changes over time due to rainfall and evaporation. A few months ago, the depth was 65 feet. Currently, the depth is 52 feet. By what percent has the depth of the lake decreased?____%
Q. The depth of a lake in Centerville changes over time due to rainfall and evaporation. A few months ago, the depth was 65 feet. Currently, the depth is 52 feet. By what percent has the depth of the lake decreased?____%
Calculate change in depth: Calculate the change in depth of the lake.Original depth = 65 feet, Current depth = 52 feet.Change in depth = Original depth - Current depth = 65−52=13 feet.
Calculate percentage decrease: Calculate the percentage decrease in depth.Percentage decrease=Original depthChange in depth×100.Percentage decrease=6513×100=20%.
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