I am no math genius, but I love simple addition, subtraction, multiplication, and division (+ − X / ). I call it envelope arithmetic. And it’s a powerful tool to help my C+ intellect grasp various concepts.
When I see a wellness ROI that says, for example, “$5 return for every $1 invested,” I wonder what that actually means? So I pull out my trusty envelope, pen, and calculator (now on my mobile device).
Let’s say there is a “comprehensive” workplace wellness program for 5,000 employees that costs $350 per employee per year. What does the envelope say?