Supposed tree 'T' has 10 vertices of degree 4, 20 vertices of degree 3 and 30 vertices of degree 2. If all of the rest of vertices are of degree 1, then the number of verties 'T' have is ___________102

Supposed tree 'T' has 10 vertices of degree 4, 20 vertices of degree 3

1.	Supposed tree 'T' has 10 vertices of degree 4, 20 vertices of degree 3 and 30 vertices of degree 2. If all of the rest of vertices are of degree 1, then the number of verties 'T' have is ___________102
Answer» Supposed tree 'T' has 10 vertices of degree 4, 20 vertices of degree 3 and 30 vertices of degree 2. If all of the rest of vertices are of degree 1, then the number of verties 'T' have is ___________ 102