How old is the fossil using radiometric dating

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A new radioactive element is discovered called Obama45. This element decays into Nohea43 (a rare element called Nohealthcareandatleastfivemoreyearsinafghanistan) with a half life of 10 years. If a fossil is obtained and tested for these radioisotopes we find that ratio of Obama45 to Noheal43 is 1:15. How old is the fossil using radiometric dating.

a) 10 years
b) 20 years
c) 30 years
d) 40 years
e) 50 years

Reference no: EM13527825

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