Solve the given fraction division problem. Be sure your answer is simplified.

$6\frac{3}{8}÷2\frac{1}{12}$(Write the answer as an improper fraction.)

A survey shows that an estimated $\frac{2}{3}$ of all teenagers own a smartphone. Of those teens, $\frac{3}{4}$ said they have had a dispute with a friend via text. 

What fraction of all teens have had a dispute with a friend via text?

What do you notice about the shapes of these drinking vessels? Which one do you think holds the most tea? Explain your reasoning.

Edwin invites his friends and family over for his own version of tea ceremony where he was blended elements from a variety of ceremonies. Edwin brews several different kinds of tea and uses $3$ Japanese tea bowl, $6$ English tea cups and $6$ Turkish tea glasses. Is it fair to say that , during the ceremony , he and friends and family drink $15$ cups of tea? Explain

In reality, two Turkish tea glasses fill one English tea cup; three of them fill a Japanese tea bowl. How many English tea cups will fill a Japanese bowl? Show your work (Write answer in fraction)

In reality, two Turkish tea glasses fill one English tea cup; three of them fill a Japanese tea bowl. Show that the liquid from one Japanese tea bowl would fill exactly one English tea cup and one Turkish glass .

In reality, two Turkish tea glasses fill one English tea cup; three of them fill a Japanese tea bowl. If the tea that Edwin and his friends drank was measured in Turkish glasses, how many did they drink ? Show your working.