Part A

Files can be downloaded using a broadband connection at a rate of $50{10}^6$ bits per second $(50Mbps).$ Using a fiber$-$optic cable, the download speed increases to $1\mathrm{.}2$ Gbps$.$

The pdf files for the textbook total about $65\mathrm{.}5{10}^6$ bytes $(65\mathrm{.}5MB).$ There are $8$ bits in a byte. How long does it take to download these files using a broadband connection?

Express your answer to three significant figures and include the appropriate units.

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Part B

How long does it take to download the files from the previous part using a fiber$-$optic cable?

Express your answer to three significant figures and include the appropriate units.