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4 votes
The mass of a patient decreased by 20 percent every month. If his mass before the decrease was 90kg, how many kilograms had he lost after 3 months ?

User TomServo
by
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1 Answer

4 votes

Answer: 46.08 kg

Answer:


90 / 100 * 20 = 18


90 - 18 = 72


72 / 100 * 20 = 14.4


72 - 14.4 = 57.6


57.6 / 100 * 20 = 11.52


57.6 - 11.52 = 46.08

Explanation:

Theres probably a better solution but brute force is sometimes good enough

User Almaron
by
8.1k points
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