In this exercise we have to calculate the opening of the door of a dog house, so we have to:
[tex]1/2\ ft \ high\\width: 6/7[/tex]
So to calculate the height we will use that:
[tex]3/7*7/6 =1/2[/tex]
To calculate the width it will be determined by:
[tex]6/5*5/7 =6/7[/tex]
See more about areas at brainly.com/question/1631786
