Twelve square tiles, each measuring 6 4/5 inches on a side, are laid side by side. What is the total width of the tiles?

81.6 inches or  

Step-by-step explanation:

Given : There are 12 square tiles .

To Find: What is the total width of the tiles​

Solution :

Dimension of each square tile =

Thus the width of 1 tile =  

So, total width for 12 tiles =  

                                         =  

Hence the total width of tiles is 81.6 inches or  

6, 10

9, -13

12, -21

18, -23

step-by-step explanation:

you just add 6 to the x-coordinate and subtract 10 from the y-coordinate.