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Does anyone know in terms of ratio, what percentage of countries (in the world) use Metric vs Standard? It's just plain dumb to have two sets of tools, units when you work on something. Don't US scientists and engineers also use Metric?
Metric bases on 10-increment, Standard - anything goes???? 2 pints to a quart (2), 4 quarts to a gallon (4), 12 inches to a foot (12), 3 feet to a yard (3), 5280 feet to a mile (5280!). Now for currency, it's a perfect 10-increment!?
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