Solution-Same amount of pure water evaporates

Same amount of pure water evaporates

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Reference no: EM131980309

A lake has a volume of 10^8 m^3. A river flows into the lake at the rate of 3×10^5 m^3/day.

The same amount of pure water evaporates from the lake each day, so the volume of the lake does not change. The river contains 7 % pollution. The lake is initially unpolluted.

(a) What is the percentage pollution in the lake after t days? __________%

(b) When does the pollution in the lake reach 1%? after ______ days

Reference no: EM131980309

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Same amount of pure water evaporates

Reference no: EM131980309

Reference no: EM131980309

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