Ann\textquotesingle s awake $$16$$ hours each day. In $$10$$ days, that\textquotesingle s $$(10\times 16)$$ hours. 
Ann sleeps just $$8$$ hrs. each day, so in $$10$$ days, she\textquotesingle s \emph{awake~}~\uline{~~~~~~~~~~}~hrs. 
(A) $$10\times 16$$ 
(B) $$8\times 10$$ 
(C) $$8\times 24$$ 
(D) $$16\times 24$$ 