The answer is 22.6 for the top one and 6x+14y+13 for the second one... the coefficient for y=14
We know that there are 11 sections that could be filled, one of which is.
So, one out of 11 of the sections is shaded... Now, all you would need to do is create a fraction to demonstrate that.

of the figure is shaded.
I hope this helps!
It is not because it is a whole number fractions are mixed numbers
They should use the conversion factor
1 mile = 5280 feet
To go from feet to miles, you divide by 5280
So,
4224 ft = 4224/5280 = 0.8 miles
The distance between their homes is exactly 0.8 miles