- A sweater is revolving in a slow low power dryer and losing moisture at any moment at the constant rate 100% of its current moisture content in 100 minutes.
- Veronica knew the sweater was x times its dry weight when she put her wet sweater from the washer to the dryer.
- How many minutes she should wait so that the sweater weighs w times its dry weight?
- Please try a general solution, the test suite may expand later.
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I understand the problem but not the tests
-1 :)
It seems like the water content halves every ~69 minutes. But the first sentence about 100% and 100 minutes are very confusing. If it is exponential decay, then water should never reach 0.
This duration, "in 100 minutes", is misleading, since we are dealing with continuous compouding or exponential decay. Probably a better drescription would be: "A sweater is revolving in a slow low power dryer and losing moisture at any moment at the constant rate 100% of its current moisture content"