i was solving this test, and the answer of title affects the answer, so i was confused.
Q) in a simple graph, p=10 and 2q/p=3. the graph has 3 isolated vertices and all other vertices have a degree of 5 or 4, how many even vertices does this graph have?
1. (5) 2. (6) 3. (7) 4. (8)
thank you in advance (: