The rule of thumb in the wireless industry is that a smartphone uses 4 gigabytes of data per month where percent travels through wi-fi.

I believe the correct answer is 75%. The rule of thumb in the wireless industry is that a smartphone uses 4 gigabytes of data per month where 75% percent travels through wi-fi or 3 gb travels through wi-fi. Hope this answers the question. Have a nice day.

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Explanation:

two people have to answer or you have to wait a few days

answer is:

a). backstage view

explanation:

backstage view is the area where files and data about them is managed— creating, saving, printing, sending to others, inspecting for hidden metadata or personal information, and setting options. so in this way we can add many things to our document swiftly.

i hope you get the idea.