Glacial acetic acid , pure $HC_2H_2O_2(FW=60.0)$ has concentration of $17.54\;M$ . If $85.5\;mL$ of glacial acetic are diluted to 250 mL. What is the acetic acid concentration ?

Question

$\begin{array}{1 1} (a)\;6.0_0\;M \\ (b)\;5.0_0\;M \\ (c)\;3.0_0\;M \\ (d)\;7.0_0\;M \end{array}$