Comment on Who Wants To Be A Lemming... on ABC?
EatATaco@lemm.ee 2 months agoThis is the way I do it. Often I just divide by ten and multiply by two, but I’m a generous tipper, and it’s one less head math step.
The funny thing is that this basically how common core math works: get to the answer by doing as much easy math as possible.
VerdantSporeSeasoning@lemmy.ca 2 months ago
Another method: tax is 8%, so double that as a baseline and adjust from there.