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Substance A decomposes at a rate proportional to the amount of A present. It is found that 10 lb of A will reduce to 5 lb in 4.1 hr. After how long will there be only 1 lb left? There will be 1 lb left after hr. (Do not round until the final answer. Then round to the nearest whole number as needed.)

Substance A decomposes at a rate proportional to the amount of A present. It is found that 10 lb of A will reduce to 5 lb in 4.1 hr. After how long will there be only 1 lb left? There will be 1 lb left after hr. (Do not round until the final answer. Then round to the nearest whole number as needed.)

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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Substance A decomposes at a rate proportional to the amount of A present. It is found that 10 lb of A will reduce to 5 lb in 4.1 hr. After how long will there be only 1 lb left? There will be 1 lb left after hr. (Do not round until the final answer. Then round to the nearest whole number as needed.)
Transcribed Image Text:Substance A decomposes at a rate proportional to the amount of A present. It is found that 10 lb of A will reduce to 5 lb in 4.1 hr. After how long will there be only 1 lb left? There will be 1 lb left after hr. (Do not round until the final answer. Then round to the nearest whole number as needed.)
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