The ratio of dogs to cats at a certain shelter in City \(X\) is \(2:3\) and the ratio of cats to dogs at a different shelter in City \(Y\) is \(7:3.\) If there are \(300\) more cats and dogs at the shelter in City \(Y\) than in City \(X,\) and the combined ratio of dogs to cats for the two shelters combined is \(8:17,\) how many cats and dogs are at the shelter in City \(Y?\)
A. 100
B. 300
C. 350
D. 400
E. 450
Answer: D
Source: Veritas Prep