I understand the problem but not the tests
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.
Acidity of vinegar and salts
What is the distance from point P(x,y) to the line Ax + By + C = 0?
Create a square matrix of multiples
Generate a string like abbcccddddeeeee
Simple spirometer - find your lung capacity from the number and size of soap bubbles in one breath
Calories in a slice of pizza?
Use of regexp
cos for boss?
Tell me the slope
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