Life gets busy, and sometimes those basic math skills from school days get a little rusty. Whether you're budgeting, measuring for a DIY project, or just having a math-related brain teaser thrown your ...
What <B>Manus</B> said, although it'd most likely work better for you if you worked horizontally rather than vertically. A1 would be the sales, B1 would be the division formula, and C1 would subtract ...