Mormons give 10% of their income in tithing? What is this about?

I heard that Mormons pay 10% of their income to the LDS church; what is this all about? What you’ve heard about is what we (and the bible) call “tithing.” Like any other church, the Mormon church operates through donations.  In the bible, you can read about tithing in the book of Malachi 3:8-10, where [...]