Hello, billym!

I don't agree with their answer . . .

How many solutions are there to:

. . . for integers

The answer has been given as 130,905.

Consider a 50-inch dowel ... marked in one-inch intervals.

. .

There are 49 marks along the dowel.

We will select 4 of them to make our cuts, dividing the dowel into 5 parts.

There are: . choices.

Therefore, there are 211,876 solutions.