Answer:
57.762 years
Step-by-step explanation:
Since 112.5 is the constant, we want to find how long it takes to double that, or what value of t will make [tex]e^{0.012t}=2[/tex]
[tex]e^{0.012t}=2\\ln(e^{0.012t})=ln(2)\\0.012t = ln(2)\\t = ln(2)/0.012\\t = 57.762[/tex]