Roman C. answered • 12/08/15

Masters of Education Graduate with Mathematics Expertise

Let

**I**be his age at inauguration, and**D**be the age of death.The first clue is

**2I - D = 45**.You get:

**D = 2I - 45 = 2·69 - 45 = 138 - 45 = 93**

So he died at age 93.

This is indeed his age of death: https://en.wikipedia.org/wiki/Ronald_Reagan