A mold grows at a rate that is proportional to the amount present. Initially there is 5 oz of this mold, and 10 hours later there is 7 oz. When is there 15 oz of the mold? (Answer is in hours.)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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A mold grows at a rate that is proportional to the amount present. Initially there is 5 oz of this mold, and 10 hours later there is 7 oz. When is there 15 oz of the mold?
(Answer is in hours.)
Transcribed Image Text:A mold grows at a rate that is proportional to the amount present. Initially there is 5 oz of this mold, and 10 hours later there is 7 oz. When is there 15 oz of the mold? (Answer is in hours.)
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