a$0$ Two students, Nora and Allison, are both the same age when Allison hops aboard a flying saucer and blasts off to achieve a cruising speed of $0\mathrm{.}800$ c for $23\mathrm{.}0$ years $($according to Allison$).$

Neglecting the acceleration of the ship during blastoff, landing, and turnarounds, find the difference in age $A$ in years between Nora and Allison when they are reunited.

$A=$

years

Who is younger?

$$ Allison

Nora