How to use it
- Convert weights to consistent proportions.
- Compute value×weight for each item.
- Add the weighted contributions.
See it in action
Tests 80 (40%) and 95 (60%) give 80×0.4+95×0.6=89.
How to verify it
Weights sum to 1.00.
Use Weighted Averages
When values contribute unequally, multiply each value by its weight before averaging.