In the simplified coasting model, how is the age of the universe estimated using $H_0$?

Answer

The inverse of the Hubble Constant ($t = 1/H_0$).

If one assumes a universe that expanded at a constant rate throughout its history (the coasting model), the age of the universe is simply the inverse of the Hubble Constant, known as the Hubble time.

In the simplified coasting model, how is the age of the universe estimated using $H_0$?
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