Files can be downloaded using a broadband connection at a rate of $40\backslash$times $106$

bits per second $(40$ Mbps

$).$ Using a fiber$-$optic cable, the download speed increases to $2\mathrm{.}0$ Gbps

$.$ The pdf files for the textbook total about $65\mathrm{.}5\backslash$times $106$

bytes $(65\mathrm{.}5$ MB

$).$ There are $8$ bits in a byte. How long does it take to download these files using a broadband connection?