PA $2-7($Algo$)$ Based on the data provided in Table $2\mathrm{.}6,...$

Based on the data provided in Table $2\mathrm{.}6,$ what is the flow time of customers from $9$:$00$ a$.$m$.$ to $9$:$45$ a$.$m$?$ Note: Round your answer to $1$ decimal place.

$\backslash$table$[[$Customer$,$Time in$,$Time out$],[1,9$:$02,9$:$13$