# Decision maker equation (comparing 3 variables)
Asked Aug 11, 2016, 11:52 AM
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| I want to create an equation to make decision on the best product that i want to be the best for example:
I have this 4 products:
- product1: lives 1 months, quality 70%, people rating 50%
- product2: lives 2 months, quality 60%, people rating 60%
- product3: lives 3 months, quality 50%, people rating 60%
- product4: lives 10 months, quality 40%, people rating 40%
how can i make an equation so from this equation i can choose product3 as the best choose for customers?
i can't create a relation between these choose based on what in my view is the best | ##
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