In other words, A takes 12 hours to paint the house, B takes 6 hours to paint the house, and C takes 24 hours to remove all the paint from the house.
Q: Who wrote the novels Mrs Dalloway and To the Lighthouse?
In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.
"Shoot C", indeed!
When you're old and your eyes are dim, There ain't no old shep gonna happen again
We'll still go walking down country lanes, I'll sing the same old song
Hear me call your name