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lukranit [14]
3 years ago
12

In a lake, one-fourth of the water is replaced by clean water every year. Sixteen thousand cubic meters of soluble toxic chemica

l spill takes place in the lake.
How much toxic will be left after 12 years?
When will 80% of the toxin be eliminated?
Mathematics
1 answer:
hodyreva [135]3 years ago
4 0

Answer:

7 sorry if I’m wrong

Step-by-step explanation:

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