Differential Equations Quiz
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APPLICATIONS OF FIRST-ORDER ODES
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Isotope A has a half-life of 20 days. Isotope B has a half-life of 30 days. A sample is prepared with an initial ratio of 4 atoms of Isotope A to 1 atom of Isotope B. After how many days will the ratio of atoms of Isotope A to Isotope B be 1-to-1?
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