Final answer:
To make
each week, he needs to walk an additional
dogs.
Step-by-step explanation:
To find out how many additional dogs he needs to walk, we can use the equation:
income = price per dog * number of dogs
Given that he charges
per week for each dog, walks
dogs each week, and wants to make
each week, we can solve for the number of additional dogs he needs to walk:

Where x is the number of additional dogs he needs to walk. Solving the equation:


dogs

There, he needs to walk an additional
dogs to make
each week.