Answer:
There are 68 dogs in the pound.
Step-by-step explanation:
Number of pit bull dogs in a pound = P = 23
Number of chihuahuas dogs in a pound = C = 17
Number of mutts dogs in a pound = M = 28
Total number of dogs in a pound = T

There are 68 dogs in the pound.
25$ because if you bout something that was 25$ 25$ off would make it free but 25% off would make it 6.25
If you have a graphing calculator one way to know you are right is put the left side in Y1 and the right side in Y2 then hit 2nd trace and intersection then find the intersection and the X value is your answer. If you don't have a graphing calculator then I'm sorry
They would make a profit of $187.50
(if that is what you were trying to ask)