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In a mixing vat there are initially 100 litres of volatile liquid. 3 litres of fresh liquid are added per hour, but 15% of the current content of the vat is lost each hour due to evaporation. How many litres of liquid are there after 4 hours?

In a mixing vat there are initially 100 litres of volatile liquid. 3 litres of fresh liquid are added per hour, but 15% of the current content of the vat is lost each hour due to evaporation. How many litres of liquid are there after 4 hours?

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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In a mixing vat there are initially 100 litres of volatile liquid. 3 litres of fresh liquid are added per hour, but 15% of the current content of the vat is lost each hour due to evaporation. How many litres of liquid are there after 4 hours?
Transcribed Image Text:In a mixing vat there are initially 100 litres of volatile liquid. 3 litres of fresh liquid are added per hour, but 15% of the current content of the vat is lost each hour due to evaporation. How many litres of liquid are there after 4 hours?
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