please help, will mark brainliest!! thanks

Please Help Will Mark Brainliest Thanks class=

Answer :

Answer:

39.43   for each dog

Step-by-step explanation:

d = 2c      (given)

164 c  +   23 d = 4140       sub in the above equation for d

164 c   + 23 (2c) = 4140

210c = 4140

c =19.71

d = 2c = 39.43