Let,
"p" represent the total cost to board the pet (food fee + charge per day included)
"d" represent the total number of days to board the pet
Now,
[tex]$The equation to find how much Day and Night Kennel chargers :[/tex]
[tex]$ p\ =\ 20d+15[/tex]
[tex]$The equation to find how much Home Away From Home Kennel :[/tex]
[tex]$ p\ =\ 30d+5[/tex]