Answer:
inches.
Explanation:
Please find the attached file for the line plot.
We are asked to find the total length of 3/4 inch buttons, if Kara lines up all.
We can see from our given line plot that there are 3 buttons having 3/4 inch length.
To find the total length of 3/4 inch buttons, we will multiply 3 by length of one button that is 3/4 as shown below:



Convert to mixed fraction:


Therefore, the total length will be
inches, if Kara lines up all the 3/4-inch buttons.